IndraLab

Statements


VCPIP1 is modified
2 | 75 60
VCPIP1 is phosphorylated.
2 | 69 60
VCPIP1 is phosphorylated. 10 / 78
| 59 19

sparser
"We next investigated the effect of several protein kinase inhibitors on the mitotic phosphorylation of VCIP135 ( Fig. 1 B, lanes 2–7)."

sparser
"Staurosporine (broad serine/threonine kinase inhibitor) and olomoucine (Cdc2 inhibitor) inhibited VCIP135 phosphorylation (lanes 2 and 3)."

sparser
"On the other hand, neither PD98059 (MEK inhibitor), SB203580 (p38 MAP kinase inhibitor), KT5720 (protein kinase A inhibitor) nor calphostin C (protein kinase C inhibitor) had any effect on VCIP135 pho[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"It is known that the phosphorylation of VCIP135 during mitosis disrupts its association with p97 ( xref , xref )."

sparser
"This is also found with DUBs, as exemplified by the regulated expression and phosphorylation of A20, and the phosphorylation of VCIP135 ( xref ; xref ; xref )."

sparser
"VCPIP1 is phosphorylated by ATM/ATR upon DPC induction."

sparser
"As shown in xref , following FA and CPT treatment, VCPIP1 was phosphorylated at its SQ/TQ motifs, which are consensus ATM/ATR phosphorylation sites."

sparser
"Nuclear VCPIP1 was phosphorylated at the SQ/TQ motif in wild-type but not ATM-deficient cells ( xref )."

sparser
"These results suggest that VCPIP1 is phosphorylated by ATM/ATR following DPC induction."

sparser
"This observation led us to hypothesize that VCPIP1 phosphorylation affects its activity."
VCPIP1 is phosphorylated on S131. 1 / 41
| 1 40

sparser
"It was also reported that VCIP135 is mitotically phosphorylated on Ser-130, which weakens its binding to p97 ( xref )."
VCPIP1 is phosphorylated on T761. 4 / 6
2 | 4

sparser
"All these results indicate that phosphorylation of Threonine-760 and Serine-767 in VCIP135 inhibits its binding to p97."

sparser
"In summary, our biochemical data show that phosphorylation of Threonine-760 and Serine-767 in VCIP135 inhibits its binding to p97, but does not affect its binding to WAC nor its deubiquitinating activ[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"We established that VCIP135 is mitotically phosphorylated at Threonine-760 and Serine-767 and that the phosphorylated VCIP135 cannot bind to p97."

sparser
"Taken together, these results demonstrate that the phosphorylation of Threonine-760 and Serine-767 in VCIP135 inhibits both p97-mediated Golgi reassembly pathways, indicating that it is important for [MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"
VCPIP1 is phosphorylated on S768. 4 / 5
| 4 1

sparser
"All these results indicate that phosphorylation of Threonine-760 and Serine-767 in VCIP135 inhibits its binding to p97."

sparser
"Taken together, these results demonstrate that the phosphorylation of Threonine-760 and Serine-767 in VCIP135 inhibits both p97-mediated Golgi reassembly pathways, indicating that it is important for [MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"In summary, our biochemical data show that phosphorylation of Threonine-760 and Serine-767 in VCIP135 inhibits its binding to p97, but does not affect its binding to WAC nor its deubiquitinating activ[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"We established that VCIP135 is mitotically phosphorylated at Threonine-760 and Serine-767 and that the phosphorylated VCIP135 cannot bind to p97."
VCPIP1 is phosphorylated on S1207. 1 / 1
| 1

sparser
"Next, we further investigated the importance of S1207 phosphorylation of VCPIP1 during DPC repair."
VCPIP1 is dephosphorylated.
| 5
VCPIP1 is dephosphorylated. 5 / 5
| 5

sparser
"Conversely, at the end of mitosis, VCIP135 is dephosphorylated (on Ser130), and this is associated with recovery of its deubiquitinase activity and with post-mitotic Golgi reassembly (Zhang and Wang, xref )."

sparser
"Dephosphorylation of VCIP135 at S130 in telophase activates its deubiquitinase activity for Golgi reassembly."

sparser
"During late mitosis, VCIP135 becomes dephosphorylated and associates with the p97–p47–Syn5 complex."

sparser
"Dephosphorylation of S130 on VCIP135 upon staurosporine or roscovitine but not U0126 treatment also significantly increased the DUB activity of endogenous VCIP135 ( xref ), consistent with the hypothesis that phosphorylation at S130 inactivates VCIP135."

sparser
"In mitosis, VCIP135 is phosphorylated at S130 by Cdk1 and thus is inactivated, allowing syntaxin 5 to be ubiquitinated by HACE1; in telophase, VCIP135 is dephosphorylated and reactivated, removing ubiquitin from syntaxin 5 to allow p97-mediated membrane fusion ( xref ; xref )."
VCPIP1 is ubiquitinated.
| 1
VCPIP1 is ubiquitinated. 1 / 1
| 1

sparser
"The A20 subfamily contains five members: A20, Cezanne ( xref ), Cezanne2 ( xref ), Ubiquitin thioesterase ZRANB1 (TRABID) ( xref ) and ubiquitinating protein VCIP135 (VCPIP) ( xref )."
VCPIP1 affects VCP
2 10 1 | 55 3
VCPIP1 binds VCP.
1 10 1 | 50 3
1 10 1 | 46 3

reach
"Overall, our study not only reveals the unexpected interaction and organization of human P97/VCPVCPIP1 complex, but also provides crucial insights into the mechanism of VCPIP1‐P97/VCP mediated Golgi biogenesis.2 Results."

reach
"To validate the direct interaction between VCPIP1 and P97/VCP in vitro, we first purified the full‐length proteins and analyzed their interactions by size exclusion chromatography."

reach
"The obtained result showed that the VCPIP1 could directly bind to P97/VCP by migrating together with P97/VCP on the size exclusion column (Figure 1B)."

reach
"The results reveal that, in the absence of substrates, the binding of VCPIP1 to P97/VCP led to a marginal increase in its activity (Figure 1E).2.2 Cryo-EM Structure of VCPIP1-P97/VCP Complex."

reach
"Albeit with the relatively lower and heterogeneous resolution of VCPIP1, the regions of VCPIP1 that directly contact P97/VCP could be readily and confidently modeled.Expectedly, the P97/VCP in the P97/VCPVCPIP1 complex was folded into the canonical homo‐hexamer as previously studied (Figure 2A,C)."

reach
"Unexpectedly, three VCPIP1 molecules directly bind to the C‐terminal D2 ATPase domain of the P97/VCP, resulting in the formation of P97/VCPVCPIP1 complex with a stoichiometry of 2:1 (Figure 2B)."

reach
"Since only one 3D reconstruction was obtained and could be refined to high resolution from our cryo‐EM studies, we favored it as the stable and dominant conformation adopted by the full‐length P97/VCPVCPIP1 complex (Figure S1C, Supporting Information)."

reach
"However, the ATPase assay revealed that VCPIP1 binding to P97/VCP only slightly increases its ATPase activity (Figure 1E).2."

reach
"Golgi WAC interacts with the deubiquitinase VCIP135, which binds VCP and p97."

reach
"The resulting structural model indicates that VCPIP1 binds to P97/VCP through three major interfaces, with both the N‐terminal and C‐terminal regions of P97/VCP required for VCPIP1 binding (Figure 4A)."
Mutated VCPIP1 binds VCP. 1 / 1
| 1

reach
"VCIP135 mutants with only one of the two p97 binding interactions still formed a complex with p97 (Fig. 5A)."
| 1

reach
"This is also supported by the existence of the VCIP135-p97-VCIP135 complex (Fig. 5B), even though it is unclear whether this complex exists stably in living cells.It is known that the phosphorylation of VCIP135 during mitosis disrupts its association with p97 (16, 17)."
VCP binds PLEK and VCPIP1. 1 / 1
| 1

reach
"Fusion of membrane tubules also requires NSF/α, γ-SNAP, the p97/p47/VCIP135 complex, syntaxin 18, and BNIP1/sec20 [11] ."
VCP binds VCPIP1 and S130. 1 / 1
| 1

reach
"26 By structural analysis of the P97/VCPVCPIP1 complex, this site S130 is located in the N‐terminal OTU domain and clearly not located within the UFD1 for VCP interaction."
VCPIP1 activates VCP.
1 | 4
VCPIP1 activates VCP. 4 / 5
1 | 4

reach
"VCPIP1 S130 was phosphorylated by Cdk1 in early mitosis and then inactivated to block the P97/VCP‐P47 mediated Golgi membrane fusion."

reach
"30 , 31 Our structure indicates that the binding of VCPIP1 to the D2 domain of P97/VCP would induce a conformational change, promoting P97/VCP into the NTDs “UP” state."

reach
"22 Consistently, our studies have demonstrated that VCPIP1 biochemically promotes P97/VCP‐p47 binding to SNARE substrates, the addition and binding of WAC protein to VCPIP1 might further stimulate their binding for membrane fusion.Recently, VCPIP1 has been reported to associate with both the N‐ and C‐terminal regions of P97/VCP via its C‐ and N‐terminal regions, respectively."

reach
"In particular, as p47, p37, Ufd1, and VCIP135 share the same p97-binding motif (SHP motif), it is reasonable that VCIP135 may induce the dissociation of complexes of p97 with p47, p37, and Ufd1."
VCPIP1 inhibits VCP.
| 1
VCPIP1 inhibits VCP. 1 / 1
| 1

reach
"VCPIP1 S130 was phosphorylated by Cdk1 in early mitosis and then inactivated to block the P97/VCP‐P47 mediated Golgi membrane fusion."
VCP affects VCPIP1
1 10 1 | 53 3
VCP binds VCPIP1.
1 10 1 | 50 3
1 10 1 | 46 3

reach
"Overall, our study not only reveals the unexpected interaction and organization of human P97/VCPVCPIP1 complex, but also provides crucial insights into the mechanism of VCPIP1‐P97/VCP mediated Golgi biogenesis.2 Results."

reach
"To validate the direct interaction between VCPIP1 and P97/VCP in vitro, we first purified the full‐length proteins and analyzed their interactions by size exclusion chromatography."

reach
"The obtained result showed that the VCPIP1 could directly bind to P97/VCP by migrating together with P97/VCP on the size exclusion column (Figure 1B)."

reach
"The results reveal that, in the absence of substrates, the binding of VCPIP1 to P97/VCP led to a marginal increase in its activity (Figure 1E).2.2 Cryo-EM Structure of VCPIP1-P97/VCP Complex."

reach
"Albeit with the relatively lower and heterogeneous resolution of VCPIP1, the regions of VCPIP1 that directly contact P97/VCP could be readily and confidently modeled.Expectedly, the P97/VCP in the P97/VCPVCPIP1 complex was folded into the canonical homo‐hexamer as previously studied (Figure 2A,C)."

reach
"Unexpectedly, three VCPIP1 molecules directly bind to the C‐terminal D2 ATPase domain of the P97/VCP, resulting in the formation of P97/VCPVCPIP1 complex with a stoichiometry of 2:1 (Figure 2B)."

reach
"Since only one 3D reconstruction was obtained and could be refined to high resolution from our cryo‐EM studies, we favored it as the stable and dominant conformation adopted by the full‐length P97/VCPVCPIP1 complex (Figure S1C, Supporting Information)."

reach
"However, the ATPase assay revealed that VCPIP1 binding to P97/VCP only slightly increases its ATPase activity (Figure 1E).2."

reach
"Golgi WAC interacts with the deubiquitinase VCIP135, which binds VCP and p97."

reach
"The resulting structural model indicates that VCPIP1 binds to P97/VCP through three major interfaces, with both the N‐terminal and C‐terminal regions of P97/VCP required for VCPIP1 binding (Figure 4A)."
Mutated VCPIP1 binds VCP. 1 / 1
| 1

reach
"VCIP135 mutants with only one of the two p97 binding interactions still formed a complex with p97 (Fig. 5A)."
| 1

reach
"This is also supported by the existence of the VCIP135-p97-VCIP135 complex (Fig. 5B), even though it is unclear whether this complex exists stably in living cells.It is known that the phosphorylation of VCIP135 during mitosis disrupts its association with p97 (16, 17)."
VCP binds PLEK and VCPIP1. 1 / 1
| 1

reach
"Fusion of membrane tubules also requires NSF/α, γ-SNAP, the p97/p47/VCIP135 complex, syntaxin 18, and BNIP1/sec20 [11] ."
VCP binds VCPIP1 and S130. 1 / 1
| 1

reach
"26 By structural analysis of the P97/VCPVCPIP1 complex, this site S130 is located in the N‐terminal OTU domain and clearly not located within the UFD1 for VCP interaction."
VCP activates VCPIP1.
| 3
VCP activates VCPIP1. 3 / 3
| 3

reach
"We observe competition between VCPIP1 and other cofactors for VCP binding and show that VCP stimulates VCPIP1's DUB activity."

reach
"Skillfully reversing ubiquitination, the deubiquitinase VCIP135 mediated by VCP/NSFL1C takes charge of orchestrating a seamless remodeling of the Golgi membrane (36, 39)."

reach
"We find that VCP stimulates VCPIP1's DUB activity and use mutagenesis and single-molecule mass photometry assays to test the structural model."
CDK1 affects VCPIP1
1 2 2 | 14 19 8
CDK1 phosphorylates VCPIP1. 10 / 19
| 6 13

reach
"All these results indicate that phosphorylation of Threonine 760 and Serine 767 in VCIP135 inhibits its binding to p97.We next tested the binding of phosphorylated VCIP135 to WAC, as presented in Fig.[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

reach
"VCIP135 phosphorylated by Cdc2 generated almost the same amount of mono ubiquitin after the reaction as non phosphorylated VCIP135."

sparser
"To confirm this, we investigated whether the purified Cdc2 complex phosphorylated VCIP135 in the absence of mitotic cytosol."

sparser
"As shown in Fig. 1 C, Cdc2 indeed phosphorylated VCIP135 (right lane)."

sparser
"We show that, in early mitosis, phosphorylation of VCIP135 by Cdk1 at a single residue, S130, is sufficient to inactivate the enzyme and inhibit p97/p47-mediated Golgi membrane fusion."

sparser
"We next tested the binding of phosphorylated VCIP135 to WAC, as presented in Fig. 3 A. Cdc2-phosphorylated VCIP135 still bound to GST-WAC (upper panel, lane 2), suggesting that the phosphorylation of[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"VCIP135 phosphorylated by Cdc2 generated almost the same amount of mono ubiquitin after the reaction as non-phosphorylated VCIP135 ( Fig. 3 C, top panel, lane 2)."

sparser
"Phosphorylation of VCIP135 on S130 by the mitotic kinase Cdk1 in early mitosis abolishes its deubiquitinase activity and attenuates p97/p47-mediated Golgi membrane fusion."

sparser
"During mitosis, Cdk1 phosphorylates p47, p37 and VCIP135, and blocks p97-controlled membrane-fusion processes so that the Golgi membranes remain disassembled (Uchiyama et al., xref ; Kaneko et al., xref ; Totsukawa et al., xref )."

sparser
"Cdk1 phosphorylates VCIP135 at S130."
CDK1 phosphorylates VCPIP1 on S131. 4 / 15
1 | 4 7

reach
"Cdk1 phosphorylates VCIP135 at S130."

reach
"These results suggest that VCIP135 is phosphorylated on S130 by the mitotic kinase Cdk1."

reach
"To determine whether Cdk1 directly phosphorylates VCIP135 on S130, we performed an in vitro phosphorylation assay with streptavidin binding peptide (SBP)-tagged VCIP135 recombinant proteins."

reach
"Therefore Cdk1 directly phosphorylates VCIP135 on S130 in mitosis."
CDK1 phosphorylates VCPIP1 on S768. 5 / 9
1 1 | 2 3 1

sparser
"We show that VCIP135 is phosphorylated on Threonine-760 and Serine-767 by Cdc2 at mitosis."

reach
"We show that VCIP135 is phosphorylated on Threonine 760 and Serine 767 by Cdc2 at mitosis."

sparser
"We previously showed that VCIP135 is phosphorylated on Thr-760 and Ser-767 by Cdc2 during mitosis and that the phosphorylation of VCIP135 decreases its binding affinity for p97 and inhibits p97-mediated Golgi membrane fusion during mitosis ( xref )."

sparser
"Taken together, we conclude that VCIP135 is mitotically phosphorylated on Threonine-760 and Serine-767 by Cdc2."

reach
"We previously showed that VCIP135 is phosphorylated on Thr-760 and Ser-767 by Cdc2 during mitosis and that the phosphorylation of VCIP135 decreases its binding affinity for p97 and inhibits p97-mediated Golgi membrane fusion during mitosis (16)."
CDK1 phosphorylates VCPIP1 on T761. 5 / 8
1 1 | 2 3

sparser
"We show that VCIP135 is phosphorylated on Threonine-760 and Serine-767 by Cdc2 at mitosis."

sparser
"We previously showed that VCIP135 is phosphorylated on Thr-760 and Ser-767 by Cdc2 during mitosis and that the phosphorylation of VCIP135 decreases its binding affinity for p97 and inhibits p97-mediated Golgi membrane fusion during mitosis ( xref )."

sparser
"Taken together, we conclude that VCIP135 is mitotically phosphorylated on Threonine-760 and Serine-767 by Cdc2."

reach
"We previously showed that VCIP135 is phosphorylated on Thr-760 and Ser-767 by Cdc2 during mitosis and that the phosphorylation of VCIP135 decreases its binding affinity for p97 and inhibits p97-mediated Golgi membrane fusion during mitosis (16)."

reach
"We show that VCIP135 is phosphorylated on Threonine 760 and Serine 767 by Cdc2 at mitosis."
P97 affects VCPIP1
| 47
VCPIP1 binds p97. 10 / 38
| 38

sparser
"The next question was, which region of p97 interacts with the two distinct binding sites in VCIP135?"

sparser
"These results strongly suggest that VCIP135 can associate with p97 via two distinct interactions."

sparser
"We next aimed to generate mutants of these two p97-binding regions in VCIP135 that do not bind to p97."

sparser
"Full-length VCIP135 associates with p97 through their two distinct interactions."

sparser
"As shown in xref B , the complex of VCIP135(F1024L/L1031P) and p97 was able to associate with another VCIP135 molecule (lane 3)."

sparser
"These results indicate that p97 can associate with two VCIP135 molecules using the two binding interactions."

sparser
"In other words, these results strongly support the fact that each of the two distinct binding interactions between VCIP135 and p97 is sufficient for VCIP135-p97 complex formation."

sparser
"We also investigated the nucleotide dependency of the two interactions between VCIP135 and p97 using these full-length VCIP135 mutants."

sparser
"Although VCIP135 also binds to p97 [13] , it remains unclear whether complex formation between VCIP135 and p97 is really necessary for p97-mediated membrane fusion."

sparser
"We also showed that the binding of VCIP135 to p97 does not change its deubiquitinating activity ( xref )."
VCPIP1 binds SNTG2, p47, and p97. 2 / 2
| 2

sparser
"During late mitosis, VCIP135 becomes dephosphorylated and associates with the p97p47Syn5 complex."

sparser
"At this time VCIP135 is inactivated by mitotic phosphorylation ( xref ; xref ) and thus monoubiquitinated Syn5, p97, p47, and VCIP135 form a transient quaternary complex ( xref )."
VCPIP1 binds STX5, p97, and p47. 2 / 2
| 2

sparser
"This simple binding experiment showed that VCIP135 can form a quaternary complex with syntaxin5, p97, and p47 (Fig. S2 available at)."

sparser
"VCIP135 binds to the p97p47syntaxin-5 complex and can dissociate p97 and p47 from syntaxin-5 ( xref )."
VCPIP1 binds p97 and STX5. 1 / 1
| 1

sparser
"VCIP135 did not bind to syntaxin5 with p97 ( xref C, lane 4), a finding which was investigated further ( xref F)."
VCPIP1 binds Ubx and p97. 1 / 1
| 1

sparser
"In late mitosis, the DUB VCIP135, which associates with p97 via its UBX-L (UBX-like) domain, deubiquitinates Syn5, which permits interaction between the SNAREs, membrane fusion and finally the formation of Golgi cisternae [ xref ]."
P97 binds WAC and VCPIP1. 1 / 1
| 1

sparser
"We therefore investigated the effect of phosphorylation on the binding of VCIP135 to p97 or WAC."
P47 binds p97 and VCPIP1. 1 / 1
| 1

sparser
"Hence, VCIP135 could bind to the p97/p47 complex in cytosol, possibly forming an unstable complex of p47, p97, and VCIP135 that was captured after chemical cross-linking."
VCPIP1 binds p97 and GST. 1 / 1
| 1

sparser
"Much less VCIP135(T760E, S767E) bound to GST-p97 ( Fig. 2 B, upper panel, lane 2) compared with VCIP135wt (lane 1)."
VCPIP1 affects X
| 1 29 11
VCPIP1 binds X.
| 11 11
| 11 11

sparser
"The GST pulldown assay demonstrated that VCPIP1 bound to HBx directly ( xref ) in vitro ."

sparser
"The HBx C-terminal sequence, spanning aa 121 to 154, predominated in the HBx-VCPIP1 binding, as seen in the colony abolishment in the yeast two-hybrid assay with pGBKT7-HBxΔ121–154, which lacked the sequences ( xref )."

sparser
"These results demonstrate that the interaction between HBx and VCPIP1 may increase HBx stability."

sparser
"Co-immunoprecipitation (Co-IP) assay using cell lysates demonstrated the association of HBx with both endogenously and exogenously expressed VCPIP1 ( xref Fig. S1), while co-IP using in vitro -translated proteins confirmed a direct binding between HBx and VCPIP1 ( xref )."

sparser
"We, therefore, tested whether these domains were involved in VCPIP1-HBx binding."

sparser
"The mutual interactions between VCPIP1 and HBx ( xref ), HBx and PSMC3 ( xref ), and PSMC3 and VCPIP1 ( xref ) were identified."

sparser
"Combined with the earlier results demonstrating that HBx aa 121 to 154 and VCPIP1 aa 863 to 1221 were required for VCPIP1-HBx interaction ( xref and xref ), we narrowed down the sequence for interacting with HBx to VCPIP1 C-terminal aa 863 to 982 ( xref )."

sparser
"First, we reported that VCPIP1 bound directly to HBx through its C-terminal aa 863 to 1221, and the interacting sequences were sufficient for HBx stability even in the absence of its N-terminal enzymatic activity."

sparser
"Furthermore, VCPIP1-HBx interaction appears to facilitate HBx protein to exert its pleiotropic effects including canonical transactivational activity and cell proliferation inhibition, suggesting its potential role in the pathogenesis of HBV-related hepatocellular carcinoma."

reach
"Functionally, HBx specifically binding to VCPIP1 significantly enhanced the transcriptional transactivation of HBx by activating NF-kappaB, AP-1, and SP-1 and inhibited hepatoma cell clonogenicity in Huh7 and HepG2 cells."
VCPIP1 activates X.
| 1 9
VCPIP1 activates X. 9 / 9
| 1 8

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"Although VCPIP1 overexpression led to significantly increased HBx in the Huh7 and HepG2 cells, it did not redice the amounts of HBx ubiquitination (Fig. 4C)."

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"RNA interference (RNAi) targeting endogenous PSMC3 was used to validate that PSMC3 was required for VCPIP1-mediated HBx stability but was not a contributing factor."

reach
"Collectively, the results indicate that VCPIP1-recruited PSMC3 associating with HBx functionally prevents the HBx degradation by the 20S proteasome."

reach
"As expected, ectopic VCPIP1 expression led to significantly increased HBx in a dose-dependent manner in both Huh7 and HepG2 cells (Fig. 2B)."

reach
"Then, the similar effects of VCPIP1 and its C-terminal truncation increasing the HBx expression were validated in HepG2.2.15 cells (Fig. 2G), but HBx was reduced by silencing endogenous VCPIP1 (Fig. 2H)."

reach
"VCPIP1 increases HBx stability.."

reach
"VCPIP1 inhibits HBx degradation through the proteasome pathway in a ubiquitin-independent manner.."

eidos
"PSMC3 , encoding the 26S proteasome regulatory subunit , directly stabilized HBx through physical binding instead of a common approach in protein degradation , serving as the key downstream effector of VCPIP1 on HBx ."

reach
"Finally, the VCPIP1-induced HBx stability greatly promoted its canonical transcriptional activities and contributed to the inhibition of colony formation of Huh7 and HepG2 cells."
VCPIP1 activates X. 1 / 1
| 1

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"Collectively, these results showed that VCPIP1 positively regulates HBx protein stability by slowing down its degradation through the proteasomal pathway."
VCPIP1 increases the amount of X.
| 9
VCPIP1 increases the amount of X. 5 / 5
| 5

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"VCPIP1 and its C-terminal amino acids 863 to 1221 upregulated the HBx protein expression, with or without HBV infection."

reach
"Regarding the DUB nature of VCPIP1 in the OTU subfamily, we presumed that VCPIP1 would increase the HBx protein expression."

reach
"To verify the VCPIP1-induced increase in the HBx protein levels, we used cycloheximide (CHX) to block protein synthesis to determine whether VCPIP1 altered HBx stability."

reach
"Conversely, knockdown of endogenous VCPIP1 expression in these models resulted in inhibition of HBV transcription and replication, along with moderately decreased production of secreted antigens, and reduced HBx protein levels (Fig. 2B)."

reach
"Clearly, upregulation of HBx protein level by VCPIP1-mediated stabilizing is also effective in these models of HBV replication and correlated with upregulated HBV gene expression and genome replication."
VCPIP1 increases the amount of X. 4 / 4
| 4

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"Both the full-length VCPIP1 and its C-terminal aa 863 to 1221 upregulated the HBx expression induced by plasmid containing replication-competent full-length HBV (Fig. 2E and F)."

reach
"Functionally, ectopic VCPIP1 expression increased HBx expression in a dose-dependent manner and in the context of HBV infection."

reach
"To determine whether the increased HBx expression by VCPIP1 was due to the decreased ubiquitination, we performed an in vivo ubiquitination assay by detecting the ubiquitination of HBx proteins using the Flag antibody-conjugated agarose beads to precipitate the HBx."

reach
"More importantly, it was clearly shown that siPSMC3 treatment greatly impaired the HBx expression increased by VCPIP1 overexpression compared to the siRNA control (Fig. 6F)."
VCPIP1 affects SPRTN
5 1 | 1 30 4
VCPIP1 deubiquitinates SPRTN.
1 | 20
VCPIP1 deubiquitinates SPRTN. 10 / 21
1 | 20

reach
"Upon DPC induction, ATM and ATR kinase activates VCPIP1 and VCIP135 deubiquitinase, which in turn deubiquitinates SPRTN, regulating its chromatin localization."

reach
"Deubiquitination of SPRTN by VCPIP1 is important for DPC repair."

reach
"These results suggest that VCPIP1 deubiquitinates SPRTN both in vitro and in cells."

reach
"These observations show that depletion of USP11 and VCPIP1 inhibits SPRTN deubiquitination, but in contrast to previous reports, monoubiquitination does not restrict SPRTN access to chromatin."

reach
"Taken together, our data indicate that VCPIP1 regulates SPRTN via its Ub protease activity and deubiquitination of SPRTN by VCPIP1 is important for its chromatin retention in response to DPC lesions."

reach
"We found that knockdown of VCPIP1 decreased acetylation of SPRTN upon DPC induction (Figure 4I), suggesting that SPRTN acetylation requires SPRTN deubiquitination."

reach
"VCPIP1, in turn, deubiquitinates SPRTN and promotes its chromatin relocalization."

reach
"The DUB VCPIP1/VCIP135 also deubiquitinates SPRTN after being phosphorylated and activated by ATM/ATR."

reach
"VCIP135 was reported to function as a deubiquitinating enzyme without the assistance of p97; that is, in the activation of SPRTN, a specialized DNA-dependent metalloprotease, VCIP135 deubiquitinated SPRTN in the absence of p97 (12)."

reach
"Of note, while this study was under consideration, it was proposed that SPRTN is deubiquitylated by VCPIP1."
VCPIP1 binds SPRTN.
5 | 5 4
5 | 5 4

sparser
"Moreover, after treating cells with three known DPC-inducing agents, FA, camptothecin (CPT) and cisplatin ( xref ), the interaction between VCPIP1 and SPRTN increased ( xref and xref – xref )."

reach
"Consistent with the interaction shown by co-immunoprecipitation, direct association between VCPIP1 and SPRTN in cells was confirmed by proximity ligation assay (PLA) and PLA foci signals were mostly in the nucleus and significantly increased after FA treatment (Figures 1D–1E)."

sparser
"Our data strongly suggest that VCPIP1-SPRTN signaling axis is the key regulation in DPC repair."

sparser
"As VCPIP1-SPRTN signaling protects cells from DPC induction, it seems likely that inhibition of VCPIP1-SPRTN could be employed to sensitize cells to different kinds of DPC-inducing agents."

reach
"Knockdown of VCP did not change the SPRTN/VCPIP1 interaction (Figure S2J)."

reach
"VCPIP1 and USP11 interact weakly with SPRTN in co-immunoprecipitating experiments, but show no (VCPIP1) or only weak (USP11) preference for SPRTN-Ub (XREF_SUPPLEMENTARY)."

reach
"We confirmed the interaction between VCPIP1 and SPRTN using co-immunoprecipitation experiments (Figures 1A–1B and S1B–S1C)."

reach
"Moreover, after treating cells with three known DPC-inducing agents, FA, camptothecin (CPT) and cisplatin (Stingele et al., 2017), the interaction between VCPIP1 and SPRTN increased (Figures 1C and S1D–S1E)."

sparser
"We confirmed the interaction between VCPIP1 and SPRTN using co-immunoprecipitation experiments ( xref – xref and xref – xref )."
VCPIP1 activates SPRTN.
| 1 3
VCPIP1 activates SPRTN. 4 / 4
| 1 3

reach
"Huang et al. reported that knockdown of VCPIP1 prevented SPRTN chromatin localization upon formaldehyde treatment, in agreement with previous reports that monoubiquitinated SPRTN is excluded from the chromatin (Stingele et al., 2016; Huang et al., 2020)."

eidos
"Knockdown of VCPIP1 greatly reduced the interaction between SPRTN and PCAF / GCN5 in the presence of DPCs ( Figure S4H ) , suggesting that VCPIP1 is required to bring acetyltransferases to SPRTN in a DPC-dependent manner ."

reach
"Thus, the identification of VCPIP1 as a dual promoter of SPRTN deubiquitination and acetylation may mean that knockdown of VCPIP1 is dysregulating SPRTN at multiple steps, and that SPRTN acetylation may be the signal for its chromatin retention upon DPC induction rather than deubiquitination (Table 1)."

reach
"However, VCIP135 was reported to function without the assistance of p97 in the activation of SPRTN, a specialized DNA-dependent metalloprotease (12)."
VCPIP1 inhibits SPRTN.
| 1
VCPIP1 inhibits SPRTN. 1 / 1
| 1

reach
"Thus, the identification of VCPIP1 as a dual promoter of SPRTN deubiquitination and acetylation may mean that knockdown of VCPIP1 is dysregulating SPRTN at multiple steps, and that SPRTN acetylation may be the signal for its chromatin retention upon DPC induction rather than deubiquitination (Table 1)."
VCPIP1 acetylates SPRTN.
| 1
VCPIP1 leads to the acetylation of SPRTN. 1 / 1
| 1

reach
"We found that knockdown of VCPIP1 decreased acetylation of SPRTN upon DPC induction (Figure 4I), suggesting that SPRTN acetylation requires SPRTN deubiquitination."
VCPIP1 affects STX5
2 1 | 11 15
VCPIP1 binds STX5.
2 1 | 8 15
2 1 | 7 12

sparser
"In the presence of ATP, the addition of VCIP135 prevented p97 and p47 from binding to syntaxin5 and VCIP135 itself only bound poorly to syntaxin5 ( xref D, left three lanes)."

reach
"The binding of VCIP135 to syntaxin5 independently of p47 (XREF_FIG C) allows VCIP135 to be closely associated with the p97 and p47 complex, whereas in cytosol such an association is less likely."

sparser
"However, in the presence of AMP–PNP or ADP, p97 and p47 bound to syntaxin5 even when VCIP135 was added, and VCIP135 also bound to syntaxin5 ( xref D, right six lanes)."

sparser
"These data suggest that both VCIP135 and the p97/p47 complex bind to syntaxin5, resulting in the formation of a transient quaternary complex that could be dissociated through p97 ATP hydrolysis."

sparser
"Although VCIP135 can bind to p97 in cytosol ( xref A), VCIP135 bound to syntaxin5 does not form a complex with p97 ( xref C, lane 4)."

sparser
"The addition of p97 decreased the amount of VCIP135 bound to syntaxin5 ( xref F)."

sparser
"We have shown that VCIP135 binds to syntaxin5 and disassembles the p97/p47/syntaxin5 complex through p97 ATP hydrolysis."

sparser
"VCIP135 bound to syntaxin5 is thought to associate with a syntaxin5-bound p97/p47 complex with syntaxin5 acting as a scaffold for the p97/p47 dissociation reaction."

sparser
"The binding of VCIP135 to syntaxin5 independently of p47 ( xref C) allows VCIP135 to be closely associated with the p97/p47 complex, whereas in cytosol such an association is less likely."

sparser
"VCIP135 forms a quaternary complex with syntaxin 5 and the p97/p47 complex via a ubiquitin fold domain and its enzymatic activity is required for post-mitotic Golgi membrane fusion xref ."
VCPIP1 binds STX5, p97, and p47. 2 / 2
| 2

sparser
"This simple binding experiment showed that VCIP135 can form a quaternary complex with syntaxin5, p97, and p47 (Fig. S2 available at)."

sparser
"VCIP135 binds to the p97p47syntaxin-5 complex and can dissociate p97 and p47 from syntaxin-5 ( xref )."
VCPIP1 binds p97 and STX5. 1 / 1
| 1

sparser
"VCIP135 did not bind to syntaxin5 with p97 ( xref C, lane 4), a finding which was investigated further ( xref F)."
| 1

reach
"Since the p97, VCIP135, and syntaxin5 complex is very unstable (XREF_FIG C), a tighter VCIP135 and p97 complex then dissociates from syntaxin5 (XREF_FIG F)."
VCPIP1 activates STX5.
| 2
VCPIP1 activates STX5. 2 / 2
| 2

reach
"In mitosis, VCIP135 is phosphorylated at S130 by Cdk1 and thus is inactivated, allowing syntaxin 5 to be ubiquitinated by HACE1; in telophase, VCIP135 is dephosphorylated and reactivated, removing ubiquitin from syntaxin 5 to allow p97 mediated membrane fusion."

reach
"As shown in XREF_FIG G, VCIP135 partially prevented alpha-SNAP binding to GST-syn5DeltaTM, suggesting that VCIP135 directs syntaxin5 to p97 and p47 but not to alpha-SNAP and NSF."
VCPIP1 deubiquitinates STX5.
| 1
VCPIP1 deubiquitinates STX5. 1 / 1
| 1

reach
"Syntaxin 5 is monoubiquitinated by HACE1 in early mitosis and deubiquitinated by the de-ubiquitinase VCIP135 in late mitosis."
VCPIP1 affects GEMIN4
| 32
VCPIP1 binds GEMIN4.
| 25
| 16

reach
"After incubation, the p97 bound to p47 was coimmunoprecipitated by anti-p47 antibodies in order to separate it from the p97 bound to VCIP135."

reach
"Although VCIP135 also binds to p97 [13], it remains unclear whether complex formation between VCIP135 and p97 is really necessary for p97 mediated membrane fusion."

reach
"We have shown that VCIP135 binds to syntaxin5 and disassembles the p97, p47, and syntaxin5 complex through p97 ATP hydrolysis."

reach
"VCIP135 binds to the p97, p47, and syntaxin-5 complex and can dissociate p97 and p47 from syntaxin-5."

reach
"During late mitosis, VCIP135 becomes dephosphorylated and associates with the p97, p47, and Syn5 complex."

reach
"Golgi WAC interacts with the deubiquitinase VCIP135, which binds VCP and p97."

reach
"VCPIP1 interacts with p97, a highly abundant protein implicated in a vast range of cellular activities including the endoplasmic reticulum associated degradation (ERAD) pathway and HIF1alpha stability XREF_BIBR."

reach
"Since the p97, VCIP135, and syntaxin5 complex is very unstable (XREF_FIG C), a tighter VCIP135 and p97 complex then dissociates from syntaxin5 (XREF_FIG F)."

reach
"However, the VCIP135, p97, p47, GST, and syn5DeltaTM complex was dissociated only in the presence of ATP (XREF_FIG E, lane 4), and the VCIP135 and p97 complex was observed in the supernatant (unpublished data)."

reach
"This provides a reasonable explanation for our biochemical data that p47 (271-370) binds to p97 but not to the p97 and VCIP135 complex (XREF_FIG B)."
| 3

reach
"However, it has also been shown that ATP is required for the p97, p47, and VCIP135 complex to dissociate from Syn5 [XREF_BIBR]."

reach
"Other studies have confirmed that the p97, p47, and VCIP135 complex is required for cell-cycle-dependent reformation of the ER network and that p97-p47-mediated reassembly of Golgi cisternae requires the deubiquitinating activity of VCIP135 [XREF_BIBR, XREF_BIBR]."

reach
"The ubiquitin moieties on these substrates, added by HACE1 during mitosis, likely serve as receptors for the p97, p47, and VCIP135 complex at the end of mitosis to carry on fusion reactions after the removal of the ubiquitin tags by VCIP135 (XREF_FIG) XREF_BIBR, XREF_BIBR."
Phosphorylated VCPIP1 binds GEMIN4. 1 / 1
| 1

reach
"We therefore investigated the effect of phosphorylation on the binding of VCIP135 to p97 or WAC.We first tested whether phosphorylated VCIP135 binds to p97."
| 1

reach
"Since the p97, VCIP135, and syntaxin5 complex is very unstable (XREF_FIG C), a tighter VCIP135 and p97 complex then dissociates from syntaxin5 (XREF_FIG F)."
VCPIP1 binds GEMIN4, PLEK, GST, and syn5DeltaTM. 1 / 1
| 1

reach
"However, the VCIP135, p97, p47, GST, and syn5DeltaTM complex was dissociated only in the presence of ATP (XREF_FIG E, lane 4), and the VCIP135 and p97 complex was observed in the supernatant (unpublished data)."
VCPIP1-T760E binds GEMIN4. 1 / 1
| 1

reach
"Much less VCIP135 (T760E, S767E) bound to GST-p97 compared with VCIP135wt (lane 1)."
VCPIP1 binds GEMIN4 and UBX-L domain. 1 / 1
| 1

reach
"The DUB VCIP135, central to the regulation of membrane fusion, also binds p97 via a UBX-L domain [XREF_BIBR]."
VCPIP1-S767E binds GEMIN4. 1 / 1
| 1

reach
"Much less VCIP135 (T760E, S767E) bound to GST-p97 compared with VCIP135wt (lane 1)."
VCPIP1 activates GEMIN4.
| 4
VCPIP1 activates GEMIN4. 4 / 4
| 4

reach
"As shown in XREF_FIG G, VCIP135 partially prevented alpha-SNAP binding to GST-syn5DeltaTM, suggesting that VCIP135 directs syntaxin5 to p97 and p47 but not to alpha-SNAP and NSF."

reach
"Next, we wanted to ascertain whether VCIP135 contributes to p97 and p47 mediated membrane fusion using an in vitro Golgi reassembly assay."

reach
"The deubiquitinase VCIP135, which is associated with the p97 and p47 complex, removes the ubiquitin moiety and thus allows p97 and p47 to fuse the membranes after mitosis (XREF_FIG) 37."

reach
"Considering that the disassembly of the p97, p47, and SNARE complex by VCIP135 requires ATP hydrolysis (XREF_FIG E), we suggest that the function of VCIP135 in membrane fusion is to mediate the dissociation of the p97, p47, and SNARE complex, which may be part of the SNARE priming process."
VCPIP1 inhibits GEMIN4.
| 3
| 3

reach
"During mitosis, Cdk1 phosphorylates p47, p37 and VCIP135, and blocks p97 controlled membrane-fusion processes so that the Golgi membranes remain disassembled."

reach
"In the presence of ATP, the addition of VCIP135 prevented p97 and p47 from binding to syntaxin5 and VCIP135 itself only bound poorly to syntaxin5 (XREF_FIG D, left three lanes)."

reach
"Our in vitro Golgi reassembly assay confirmed that VCIP135 phosphorylation at S130 attenuates p97 and p47 mediated Golgi membrane fusion (XREF_FIG)."
X affects VCPIP1
| 11 11
| 11 11

sparser
"The GST pulldown assay demonstrated that VCPIP1 bound to HBx directly ( xref ) in vitro ."

sparser
"The HBx C-terminal sequence, spanning aa 121 to 154, predominated in the HBx-VCPIP1 binding, as seen in the colony abolishment in the yeast two-hybrid assay with pGBKT7-HBxΔ121–154, which lacked the sequences ( xref )."

sparser
"These results demonstrate that the interaction between HBx and VCPIP1 may increase HBx stability."

sparser
"Co-immunoprecipitation (Co-IP) assay using cell lysates demonstrated the association of HBx with both endogenously and exogenously expressed VCPIP1 ( xref Fig. S1), while co-IP using in vitro -translated proteins confirmed a direct binding between HBx and VCPIP1 ( xref )."

sparser
"We, therefore, tested whether these domains were involved in VCPIP1-HBx binding."

sparser
"The mutual interactions between VCPIP1 and HBx ( xref ), HBx and PSMC3 ( xref ), and PSMC3 and VCPIP1 ( xref ) were identified."

sparser
"Combined with the earlier results demonstrating that HBx aa 121 to 154 and VCPIP1 aa 863 to 1221 were required for VCPIP1-HBx interaction ( xref and xref ), we narrowed down the sequence for interacting with HBx to VCPIP1 C-terminal aa 863 to 982 ( xref )."

sparser
"First, we reported that VCPIP1 bound directly to HBx through its C-terminal aa 863 to 1221, and the interacting sequences were sufficient for HBx stability even in the absence of its N-terminal enzymatic activity."

sparser
"Furthermore, VCPIP1-HBx interaction appears to facilitate HBx protein to exert its pleiotropic effects including canonical transactivational activity and cell proliferation inhibition, suggesting its potential role in the pathogenesis of HBV-related hepatocellular carcinoma."

reach
"Functionally, HBx specifically binding to VCPIP1 significantly enhanced the transcriptional transactivation of HBx by activating NF-kappaB, AP-1, and SP-1 and inhibited hepatoma cell clonogenicity in Huh7 and HepG2 cells."
WAC affects VCPIP1
4 | 1 6 7
4 | 1 4 5

sparser
"In this study, we isolated a VCIP135 mutant, VCIP135(T760E, S767E), that still binds to WAC and maintains its deubiquitinating enzyme activity, but lacks p97-binding affinity."

reach
"Furthermore, VCIP135 interacts with WAC, which enhances the DUB activity of VCIP135."

reach
"Golgi WAC interacts with the deubiquitinase VCIP135, which binds VCP and p97."

sparser
"Furthermore, VCIP135 interacts with WAC, which enhances the DUB activity of VCIP135."

reach
"WAC directly binds to VCIP135 and increases its deubiquitinating activity."

sparser
"WAC directly binds to VCIP135 and increases its deubiquitinating activity."

sparser
"WAC binds to VCIP135, mediating its association with the Golgi, and activating its deubiquitinating function to regulate Golgi biogenesis ( xref )."

reach
"WAC binds to VCIP135, mediating its association with the Golgi, and activating its deubiquitinating function to regulate Golgi biogenesis."

trips
"WAC directly binds to VCIP135 and increases its deubiquitinating activity."

sparser
"We next tested the binding of phosphorylated VCIP135 to WAC, as presented in Fig. 3 A. Cdc2-phosphorylated VCIP135 still bound to GST-WAC (upper panel, lane 2), suggesting that the phosphorylation of[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"
P97 binds WAC and VCPIP1. 1 / 1
| 1

sparser
"We therefore investigated the effect of phosphorylation on the binding of VCIP135 to p97 or WAC."
VCPIP1-S767E binds WAC. 1 / 1
| 1

reach
"In this study, we isolated a VCIP135 mutant, VCIP135 (T760E, S767E), that still binds to WAC and maintains its deubiquitinating enzyme activity, but lacks p97 binding affinity."
VCPIP1 binds WAC and GST. 1 / 1
| 1

sparser
"We next tested the binding of phosphorylated VCIP135 to WAC, as presented in Fig. 3 A. Cdc2-phosphorylated VCIP135 still bound to GST-WAC (upper panel, lane 2), suggesting that the phosphorylation of[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"
VCPIP1-T760E binds WAC. 1 / 1
| 1

reach
"In this study, we isolated a VCIP135 mutant, VCIP135 (T760E, S767E), that still binds to WAC and maintains its deubiquitinating enzyme activity, but lacks p97 binding affinity."
VCPIP1 affects PLEK
| 17
VCPIP1 binds PLEK.
| 11
| 6

reach
"Although the nature of the ubiquitinated proteins as well as how the p97–p47-VCIP135 complex acts on these molecules during Golgi reassembly remains to be determined, the new findings have revealed a [MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

reach
"During late mitosis, VCIP135 becomes dephosphorylated and associates with the p97, p47, and Syn5 complex."

reach
"The p97 and p47 binding protein VCIP135 (VCP [p97] and p47 complex interacting protein, p135) functions as a deubiquitinating enzyme whose activity is required for post-mitotic Golgi reassembly 26."

reach
"VCIP135 binds to the p97, p47, and syntaxin-5 complex and can dissociate p97 and p47 from syntaxin-5."

reach
"We have shown that VCIP135 binds to syntaxin5 and disassembles the p97, p47, and syntaxin5 complex through p97 ATP hydrolysis."

reach
"VCIP135 binds to the p97/p47/syntaxin5 complex and promotes its dissociation via p97 catalysed ATP hydrolysis ( Uchiyama et al., 2002 )."
| 3

reach
"However, it has also been shown that ATP is required for the p97, p47, and VCIP135 complex to dissociate from Syn5 [XREF_BIBR]."

reach
"Other studies have confirmed that the p97, p47, and VCIP135 complex is required for cell-cycle-dependent reformation of the ER network and that p97-p47-mediated reassembly of Golgi cisternae requires the deubiquitinating activity of VCIP135 [XREF_BIBR, XREF_BIBR]."

reach
"The ubiquitin moieties on these substrates, added by HACE1 during mitosis, likely serve as receptors for the p97, p47, and VCIP135 complex at the end of mitosis to carry on fusion reactions after the removal of the ubiquitin tags by VCIP135 (XREF_FIG) XREF_BIBR, XREF_BIBR."
VCP binds PLEK and VCPIP1. 1 / 1
| 1

reach
"Fusion of membrane tubules also requires NSF/α, γ-SNAP, the p97/p47/VCIP135 complex, syntaxin 18, and BNIP1/sec20 [11] ."
VCPIP1 binds GEMIN4, PLEK, GST, and syn5DeltaTM. 1 / 1
| 1

reach
"However, the VCIP135, p97, p47, GST, and syn5DeltaTM complex was dissociated only in the presence of ATP (XREF_FIG E, lane 4), and the VCIP135 and p97 complex was observed in the supernatant (unpublished data)."
VCPIP1 activates PLEK.
| 4
VCPIP1 activates PLEK. 4 / 4
| 4

reach
"Next, we wanted to ascertain whether VCIP135 contributes to p97 and p47 mediated membrane fusion using an in vitro Golgi reassembly assay."

reach
"As shown in XREF_FIG G, VCIP135 partially prevented alpha-SNAP binding to GST-syn5DeltaTM, suggesting that VCIP135 directs syntaxin5 to p97 and p47 but not to alpha-SNAP and NSF."

reach
"In particular, as p47, p37, Ufd1, and VCIP135 share the same p97-binding motif (SHP motif), it is reasonable that VCIP135 may induce the dissociation of complexes of p97 with p47, p37, and Ufd1."

reach
"The deubiquitinase VCIP135, which is associated with the p97 and p47 complex, removes the ubiquitin moiety and thus allows p97 and p47 to fuse the membranes after mitosis (XREF_FIG) 37."
VCPIP1 inhibits PLEK.
| 2
VCPIP1 inhibits PLEK. 2 / 2
| 2

reach
"Our in vitro Golgi reassembly assay confirmed that VCIP135 phosphorylation at S130 attenuates p97 and p47 mediated Golgi membrane fusion (XREF_FIG)."

reach
"In the presence of ATP, the addition of VCIP135 prevented p97 and p47 from binding to syntaxin5 and VCIP135 itself only bound poorly to syntaxin5 (XREF_FIG D, left three lanes)."
MYBL1 affects VCPIP1
| 2 14
MYBL1 binds VCPIP1.
| 14
| 14

sparser
"MYB was rearranged in 60% (12/20), MYBL1 in 30% (6/20) and NFIB in 5% (1/20); two tumors exhibited novel fusion products, including NFIB-TBPL1 and MYBL1-VCPIP1 ."

sparser
"However, Bubola et al. [ xref ] identified a MYBL1-VCPIP1 fusion product following the genomic characterization of salivary gland tumors."

sparser
"The VCPIP1 gene is particularly interesting to our research because it is (a) downregulated when we silence MYBL1 in MDA-MB-231 cells, (b) it is located at the 8q13.1 chromosomal locus, like MYBL1, (c) it is dysregulated in many of the same TNBC patient samples as MYBL1, (d) bioinformatic analyses indicate MYBL1 transcription factor protein binding to the VCPIP1 gene, and (e) both genes are involved in cell cycle signaling mechanisms."

sparser
"In addition, two cases were found to harbor novel fusion genes ( NFIB-TBPL1 and MYBL1-VCPIP1 )."

sparser
"It could be, but we are examining the possibility that the MYBL1 transcription factor directly binds to VCPIP1 promoter allowing for direct regulation in TNBC."

sparser
"The Electrophoretic Mobility Shift Assay (EMSA) is performed to show that the MYBL1 transcription factor can bind to the promoter region of the VCPIP1 gene."

sparser
"In contrast, other than the identification of a MYBL1-VCPIP1 gene fusion event in salivary gland tumors [ xref ], a possible relationship between MYBL1 and VCPIP1 genes has not been established."

sparser
"Adenoid cystic carcinoma is characterized by a recurrent t(6;9)(q22–23;p23–24) translocation that results in a MYB-NFIB fusion gene. xref , xref An alternative MYBL1-NFIB gene fusion has been reported in a subset of cases. xref , xref , xref Various other genes have been reported to substitute for MYB , MYBL1 and NFIB , including TGFRB3, RAD51B, YTHDF3, AIG1, XRCC4 and PTPRD , amongst others. xref , xref , xref – xref In our cohort of 20 AdCCs, the MYB-NFIB fusion was identified in 60% and the MYBL1-NFIB fusion in 25%, while two cases harbored novel NFIB-TBPL1 and MYBL1-VCPIP1 fusions products."

sparser
"Co-Expression of MYBL1 and VCPIP1 Genes and Experimental Analyses of MYBL1 Transcription Factor Binding to VCPIP1 Promoter."

sparser
"In addition, because bioinformatic analyses suggest the possible regulation of VCPIP1 by the MYBL1 transcription factor, we decided to experimentally examine the possibility that MYBL1 binds directly to the VCPIP1 promoter region, explaining our previous gene expression results."
MYBL1 increases the amount of VCPIP1.
| 2
MYBL1 increases the amount of VCPIP1. 2 / 2
| 2

reach
"These results imply that miR-145-3p regulates COX1 and COX2 genes, which possibly associates with mitochondrial activity.We subsequently knocked down MYBL1 and found that deficiency of MYBL1 in proliferating MuSCs decreased the expression of VCPIP1, Vexin, and COX1, while that of COX2 was increased (Figure 6F), which exactly mimics the inhibitory effect of ectopic miR-145-3p on these genes."

reach
"MYBL1 Mediates the Regulation of miR-145-3p on Expression of Vexin, VCPIP1, COX1, and COX2."
SPRTN affects VCPIP1
5 | 6 4
SPRTN binds VCPIP1.
5 | 5 4
5 | 5 4

sparser
"Moreover, after treating cells with three known DPC-inducing agents, FA, camptothecin (CPT) and cisplatin ( xref ), the interaction between VCPIP1 and SPRTN increased ( xref and xref – xref )."

reach
"Consistent with the interaction shown by co-immunoprecipitation, direct association between VCPIP1 and SPRTN in cells was confirmed by proximity ligation assay (PLA) and PLA foci signals were mostly in the nucleus and significantly increased after FA treatment (Figures 1D–1E)."

sparser
"Our data strongly suggest that VCPIP1-SPRTN signaling axis is the key regulation in DPC repair."

sparser
"As VCPIP1-SPRTN signaling protects cells from DPC induction, it seems likely that inhibition of VCPIP1-SPRTN could be employed to sensitize cells to different kinds of DPC-inducing agents."

reach
"Knockdown of VCP did not change the SPRTN/VCPIP1 interaction (Figure S2J)."

reach
"VCPIP1 and USP11 interact weakly with SPRTN in co-immunoprecipitating experiments, but show no (VCPIP1) or only weak (USP11) preference for SPRTN-Ub (XREF_SUPPLEMENTARY)."

reach
"We confirmed the interaction between VCPIP1 and SPRTN using co-immunoprecipitation experiments (Figures 1A–1B and S1B–S1C)."

reach
"Moreover, after treating cells with three known DPC-inducing agents, FA, camptothecin (CPT) and cisplatin (Stingele et al., 2017), the interaction between VCPIP1 and SPRTN increased (Figures 1C and S1D–S1E)."

sparser
"We confirmed the interaction between VCPIP1 and SPRTN using co-immunoprecipitation experiments ( xref – xref and xref – xref )."
SPRTN activates VCPIP1.
| 1
SPRTN activates VCPIP1. 1 / 1
| 1

reach
"Upon DPC induction, the deubiquitinase VCPIP1/VCIP135 is activated by ATM/ATR, which then deubiquitinates SPRTN."
VCPIP1 affects MYBL1
| 14
| 14

sparser
"MYB was rearranged in 60% (12/20), MYBL1 in 30% (6/20) and NFIB in 5% (1/20); two tumors exhibited novel fusion products, including NFIB-TBPL1 and MYBL1-VCPIP1 ."

sparser
"However, Bubola et al. [ xref ] identified a MYBL1-VCPIP1 fusion product following the genomic characterization of salivary gland tumors."

sparser
"The VCPIP1 gene is particularly interesting to our research because it is (a) downregulated when we silence MYBL1 in MDA-MB-231 cells, (b) it is located at the 8q13.1 chromosomal locus, like MYBL1, (c) it is dysregulated in many of the same TNBC patient samples as MYBL1, (d) bioinformatic analyses indicate MYBL1 transcription factor protein binding to the VCPIP1 gene, and (e) both genes are involved in cell cycle signaling mechanisms."

sparser
"In addition, two cases were found to harbor novel fusion genes ( NFIB-TBPL1 and MYBL1-VCPIP1 )."

sparser
"It could be, but we are examining the possibility that the MYBL1 transcription factor directly binds to VCPIP1 promoter allowing for direct regulation in TNBC."

sparser
"The Electrophoretic Mobility Shift Assay (EMSA) is performed to show that the MYBL1 transcription factor can bind to the promoter region of the VCPIP1 gene."

sparser
"In contrast, other than the identification of a MYBL1-VCPIP1 gene fusion event in salivary gland tumors [ xref ], a possible relationship between MYBL1 and VCPIP1 genes has not been established."

sparser
"Adenoid cystic carcinoma is characterized by a recurrent t(6;9)(q22–23;p23–24) translocation that results in a MYB-NFIB fusion gene. xref , xref An alternative MYBL1-NFIB gene fusion has been reported in a subset of cases. xref , xref , xref Various other genes have been reported to substitute for MYB , MYBL1 and NFIB , including TGFRB3, RAD51B, YTHDF3, AIG1, XRCC4 and PTPRD , amongst others. xref , xref , xref – xref In our cohort of 20 AdCCs, the MYB-NFIB fusion was identified in 60% and the MYBL1-NFIB fusion in 25%, while two cases harbored novel NFIB-TBPL1 and MYBL1-VCPIP1 fusions products."

sparser
"Co-Expression of MYBL1 and VCPIP1 Genes and Experimental Analyses of MYBL1 Transcription Factor Binding to VCPIP1 Promoter."

sparser
"In addition, because bioinformatic analyses suggest the possible regulation of VCPIP1 by the MYBL1 transcription factor, we decided to experimentally examine the possibility that MYBL1 binds directly to the VCPIP1 promoter region, explaining our previous gene expression results."
PLEK affects VCPIP1
| 12
PLEK binds VCPIP1.
| 11
| 6

reach
"Although the nature of the ubiquitinated proteins as well as how the p97–p47-VCIP135 complex acts on these molecules during Golgi reassembly remains to be determined, the new findings have revealed a [MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

reach
"During late mitosis, VCIP135 becomes dephosphorylated and associates with the p97, p47, and Syn5 complex."

reach
"The p97 and p47 binding protein VCIP135 (VCP [p97] and p47 complex interacting protein, p135) functions as a deubiquitinating enzyme whose activity is required for post-mitotic Golgi reassembly 26."

reach
"VCIP135 binds to the p97, p47, and syntaxin-5 complex and can dissociate p97 and p47 from syntaxin-5."

reach
"We have shown that VCIP135 binds to syntaxin5 and disassembles the p97, p47, and syntaxin5 complex through p97 ATP hydrolysis."

reach
"VCIP135 binds to the p97/p47/syntaxin5 complex and promotes its dissociation via p97 catalysed ATP hydrolysis ( Uchiyama et al., 2002 )."
| 3

reach
"However, it has also been shown that ATP is required for the p97, p47, and VCIP135 complex to dissociate from Syn5 [XREF_BIBR]."

reach
"Other studies have confirmed that the p97, p47, and VCIP135 complex is required for cell-cycle-dependent reformation of the ER network and that p97-p47-mediated reassembly of Golgi cisternae requires the deubiquitinating activity of VCIP135 [XREF_BIBR, XREF_BIBR]."

reach
"The ubiquitin moieties on these substrates, added by HACE1 during mitosis, likely serve as receptors for the p97, p47, and VCIP135 complex at the end of mitosis to carry on fusion reactions after the removal of the ubiquitin tags by VCIP135 (XREF_FIG) XREF_BIBR, XREF_BIBR."
VCP binds PLEK and VCPIP1. 1 / 1
| 1

reach
"Fusion of membrane tubules also requires NSF/α, γ-SNAP, the p97/p47/VCIP135 complex, syntaxin 18, and BNIP1/sec20 [11] ."
VCPIP1 binds GEMIN4, PLEK, GST, and syn5DeltaTM. 1 / 1
| 1

reach
"However, the VCIP135, p97, p47, GST, and syn5DeltaTM complex was dissociated only in the presence of ATP (XREF_FIG E, lane 4), and the VCIP135 and p97 complex was observed in the supernatant (unpublished data)."
PLEK activates VCPIP1.
| 1
PLEK activates VCPIP1. 1 / 1
| 1

reach
"WAC is hence thought to function in p97 and p47 mediated Golgi membrane fusion by activating the deubiquitinating function of VCIP135."
VCPIP1 affects SNTG2
1 | 8 2
VCPIP1 deubiquitinates SNTG2.
1 | 6
VCPIP1 deubiquitinates SNTG2. 6 / 7
1 | 6

reach
"Syn5 is monoubiquitinated by the ubiquitin ligase HACE1 in early mitosis and deubiquitinated by the deubiquitinase VCIP135 in late mitosis."

reach
"One possible explanation, as described in our model (XREF_FIG), is that monoubiquitination of Syn5 occurs only transiently in early mitosis and is quickly reversed by the deubiquitinase VCIP135 in late mitosis."

reach
"In late mitosis, the DUB VCIP135, which associates with p97 via its UBX-L (UBX like) domain, deubiquitinates Syn5, which permits interaction between the SNAREs, membrane fusion and finally the formation of Golgi cisternae [XREF_BIBR]."

reach
"Therefore, we determined whether Syn5 is deubiquitinated by VCIP135."

reach
"These results suggest that Syn5 is deubiquitinated by VCIP135."

reach
"Taken together, these results demonstrate that Syn5 is deubiquitinated by VCIP135 in late mitosis."
VCPIP1 binds SNTG2.
| 2
VCPIP1 binds SNTG2, p47, and p97. 2 / 2
| 2

sparser
"During late mitosis, VCIP135 becomes dephosphorylated and associates with the p97p47Syn5 complex."

sparser
"At this time VCIP135 is inactivated by mitotic phosphorylation ( xref ; xref ) and thus monoubiquitinated Syn5, p97, p47, and VCIP135 form a transient quaternary complex ( xref )."
VCPIP1 activates SNTG2.
| 2
VCPIP1 activates SNTG2. 2 / 2
| 2

reach
"In late mitosis, VCIP135 is reactivated by dephosphorylation, removes ubiquitin from Syn5, and allows Syn5 interacting with its cognate SNARE Bet1 for membrane fusion at mitotic exit (XREF_FIG, right panel)."

reach
"To investigate whether ubiquitinated Syn5 is a direct substrate of VCIP135, in vitro ubiquitinated Syn5 was treated with recombinant VCIP135."
P47 affects VCPIP1
| 10
P47 binds VCPIP1. 5 / 5
| 5

sparser
"The inhibition of p97 ATPase activity can be reduced if both p47-binding sites are not occupied, and the metastable complex of VCIP135/p97/p47 would represent such a case: VCIP135 interacts with the p97/p47 complex that uses only one p47-binding site."

sparser
"Several lines of recent evidence suggest that ubiquitination may be implicated in the p97/p47 pathway; p47 binds to monoubiquitinated proteins and VCIP135 shows a deubiquitinating activity in vitro."

sparser
"As ATPases, NSF and p97 have specific co-factors: NSF-mediated fusion requires the proteins SNAPs and p115, while the p97-mediated pathway requires formation of a complex with p47 and VCIP135, or with p37 (Kondo et al., xref ; Uchiyama et al., xref )."

sparser
"However, it was proposed that the DUB VCIP135 forms an unstable ternary complex with p97 p47 during post-mitotic Golgi reassembly, where p47 would be associated with p97 via only one of its two bindin[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"VCIP135 cannot interact with p47 directly ( xref A)."
VCPIP1 binds SNTG2, p47, and p97. 2 / 2
| 2

sparser
"During late mitosis, VCIP135 becomes dephosphorylated and associates with the p97p47Syn5 complex."

sparser
"At this time VCIP135 is inactivated by mitotic phosphorylation ( xref ; xref ) and thus monoubiquitinated Syn5, p97, p47, and VCIP135 form a transient quaternary complex ( xref )."
VCPIP1 binds STX5, p97, and p47. 2 / 2
| 2

sparser
"This simple binding experiment showed that VCIP135 can form a quaternary complex with syntaxin5, p97, and p47 (Fig. S2 available at)."

sparser
"VCIP135 binds to the p97p47syntaxin-5 complex and can dissociate p97 and p47 from syntaxin-5 ( xref )."
P47 binds p97 and VCPIP1. 1 / 1
| 1

sparser
"Hence, VCIP135 could bind to the p97/p47 complex in cytosol, possibly forming an unstable complex of p47, p97, and VCIP135 that was captured after chemical cross-linking."
| 4
| 3

reach
"Mitotic phosphorylation of VCIP135 at S130 inhibits its deubiquitinase activity."

reach
"In this study, we found that phosphorylation of VCIP135 at a single site, S130, is necessary and sufficient to inactivate its DUB activity for Golgi disassembly in early mitosis."

reach
"Taken together, our results demonstrate that phosphorylation of VCIP135 on S130 in early mitosis inactivates its DUB activity for mitotic Golgi disassembly; dephosphorylation in telophase reactivates VCIP135 to promote p97 and p47 mediated postmitotic Golgi membrane fusion."
VCPIP1 activates Deubiquitinase.
| 1

reach
"Dephosphorylation of S130 on VCIP135 upon staurosporine or roscovitine but not U0126 treatment also significantly increased the DUB activity of endogenous VCIP135 (XREF_FIG), consistent with the hypothesis that phosphorylation at S130 inactivates VCIP135."
Pol affects VCPIP1
| 5
Pol phosphorylates VCPIP1. 5 / 5
| 5

sparser
"Because VCIP135 DUB activity is specifically required for postmitotic Golgi membrane fusion, we determined the effects of S130 phosphorylation of VCIP135 on postmitotic Golgi reassembly in vivo."

sparser
"These results demonstrate that VCIP135 S130 phosphorylation regulates its DUB activity."

sparser
"VCIP135 S130 phosphorylation in the cell cycle."

sparser
"We next determined the kinase responsible for VCIP135 S130 phosphorylation in mitosis."

sparser
"Because S130 matches the minimal S/T-P consensus motif for both Cdk1 ( xref ) and ERK1/2 ( xref ; xref ), we applied inhibitors to these protein kinases to mitotic cells and investigated the effects on S130 phosphorylation of VCIP135."
P97 affects p47
| 5
VCPIP1 binds SNTG2, p47, and p97. 2 / 2
| 2

sparser
"During late mitosis, VCIP135 becomes dephosphorylated and associates with the p97p47Syn5 complex."

sparser
"At this time VCIP135 is inactivated by mitotic phosphorylation ( xref ; xref ) and thus monoubiquitinated Syn5, p97, p47, and VCIP135 form a transient quaternary complex ( xref )."
VCPIP1 binds STX5, p97, and p47. 2 / 2
| 2

sparser
"This simple binding experiment showed that VCIP135 can form a quaternary complex with syntaxin5, p97, and p47 (Fig. S2 available at)."

sparser
"VCIP135 binds to the p97p47syntaxin-5 complex and can dissociate p97 and p47 from syntaxin-5 ( xref )."
P47 binds p97 and VCPIP1. 1 / 1
| 1

sparser
"Hence, VCIP135 could bind to the p97/p47 complex in cytosol, possibly forming an unstable complex of p47, p97, and VCIP135 that was captured after chemical cross-linking."
VCPIP1 affects MAF1
3 | 2
3 | 2

sparser
"The MAF1 gene is relevant because several different interactome analyses demonstrate VCPIP1 and MAF1 protein:protein interactions [ xref ] ((accessed on 25 June 2024))."

sparser
"Summarized in the STRING TM analyses [ xref ], Interactome data demonstrate protein:protein interactions between VCPIP1 and MAF1, and the Reactome database shows evidence of interactions between the MAF1 and RBBP4 genes ( xref )."
VCPIP1 affects GST
| 2 3
| 1 1

sparser
"Briefly, GST-VCIP135(F1024L/L1031P), which binds to the C-terminus of p97 but not to its N-terminus, was incubated with p97, and immobilized onto GSH-beads."

reach
"20 µL pre‐equilibrated glutathione Sepharose 4B resin (GE Healthcare) was applied to each reaction mixture to pellet the P97/VCP and GSTVCPIP1 complexes."
VCPIP1 binds GEMIN4, PLEK, GST, and syn5DeltaTM. 1 / 1
| 1

reach
"However, the VCIP135, p97, p47, GST, and syn5DeltaTM complex was dissociated only in the presence of ATP (XREF_FIG E, lane 4), and the VCIP135 and p97 complex was observed in the supernatant (unpublished data)."
VCPIP1 binds WAC and GST. 1 / 1
| 1

sparser
"We next tested the binding of phosphorylated VCIP135 to WAC, as presented in Fig. 3 A. Cdc2-phosphorylated VCIP135 still bound to GST-WAC (upper panel, lane 2), suggesting that the phosphorylation of[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"
VCPIP1 binds p97 and GST. 1 / 1
| 1

sparser
"Much less VCIP135(T760E, S767E) bound to GST-p97 ( Fig. 2 B, upper panel, lane 2) compared with VCIP135wt (lane 1)."

reach
"We also demonstrated that VCPIP1 overexpression promoted the HBV cccDNA transcription and enhanced the HBV gene expression in the HBV-infected HepG2-NTCP cells."

reach
"By using a series of HBV replication and infection models, we extensively characterized VCPIP1-mediated upregulation of HBV transcription, antigen expression, and genome replication."

reach
"VCPIP1 enhances HBV transcription, antigen expression, and genome replication."

reach
"In the recent report by Wu et al., overexpression of VCPIP1 and/or PSMC3 was also shown to cause increased HBV transcription, antigen secretion, and progeny virus production in infected HepG2-NTCP cells."

reach
"The recent report by Wu et al. also showed that overexpression of VCPIP1 and/or PSMC3 increased HBV transcription, antigen secretion, and progeny virus production in infected HepG2-NTCP cells (17)."
MAF1 affects VCPIP1
3 | 2
3 | 2

sparser
"The MAF1 gene is relevant because several different interactome analyses demonstrate VCPIP1 and MAF1 protein:protein interactions [ xref ] ((accessed on 25 June 2024))."

sparser
"Summarized in the STRING TM analyses [ xref ], Interactome data demonstrate protein:protein interactions between VCPIP1 and MAF1, and the Reactome database shows evidence of interactions between the MAF1 and RBBP4 genes ( xref )."
GST affects VCPIP1
| 2 3
| 1 1

sparser
"Briefly, GST-VCIP135(F1024L/L1031P), which binds to the C-terminus of p97 but not to its N-terminus, was incubated with p97, and immobilized onto GSH-beads."

reach
"20 µL pre‐equilibrated glutathione Sepharose 4B resin (GE Healthcare) was applied to each reaction mixture to pellet the P97/VCP and GSTVCPIP1 complexes."
VCPIP1 binds GEMIN4, PLEK, GST, and syn5DeltaTM. 1 / 1
| 1

reach
"However, the VCIP135, p97, p47, GST, and syn5DeltaTM complex was dissociated only in the presence of ATP (XREF_FIG E, lane 4), and the VCIP135 and p97 complex was observed in the supernatant (unpublished data)."
VCPIP1 binds WAC and GST. 1 / 1
| 1

sparser
"We next tested the binding of phosphorylated VCIP135 to WAC, as presented in Fig. 3 A. Cdc2-phosphorylated VCIP135 still bound to GST-WAC (upper panel, lane 2), suggesting that the phosphorylation of[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"
VCPIP1 binds p97 and GST. 1 / 1
| 1

sparser
"Much less VCIP135(T760E, S767E) bound to GST-p97 ( Fig. 2 B, upper panel, lane 2) compared with VCIP135wt (lane 1)."
ATM affects VCPIP1
| 5
ATM phosphorylates VCPIP1.
| 4
ATM phosphorylates VCPIP1. 4 / 4
| 4

reach
"Here, we report that in response to DPC induction, the deubiquitinase VCPIP1/VCIP135 is phosphorylated and activated by ATM/ATR."

reach
"Taken together, these data suggest that VCPIP1 phosphorylation by ATM/ATR is important for VCPIP1 activation following DPC induction."

reach
"VCPIP1 is phosphorylated by ATM/ATR upon DPC induction."

reach
"These results suggest that VCPIP1 is phosphorylated by ATM/ATR following DPC induction."
ATM activates VCPIP1.
| 1
ATM activates VCPIP1. 1 / 1
| 1

reach
"VCPIP1 is activated and shuttled to the nucleus by ATM/ATR-mediated phosphorylation, where it can remove the Ub mark, enabling SPRTN recruitment to chromatin and downstream repair of the DPC."
VCPIP1 affects PSMC3
| 4
VCPIP1 binds PSMC3.
| 2
| 2

reach
"The mutual interactions between VCPIP1 and HBx (Fig. 1), HBx and PSMC3 (Fig. 5A), and PSMC3 and VCPIP1 (Fig. 5B) were identified."

reach
"Collectively, we propose a mutual interaction working model between VCPIP1, PSMC3, and HBx, in which they form a large ternary complex through VCPIP1 C-terminal-recruited binding of PSMC3 to HBx (Fig. 5N)."
VCPIP1 activates PSMC3.
| 2
VCPIP1 activates PSMC3. 2 / 2
| 2

reach
"Furthermore, the Co-IP assay detected endogenous PSMC3 expression with the VCPIP1 overexpression but not with the empty vector control (Fig. 5B), and the interaction did not result from the possible increase of PSMC3 by VCPIP1 (Fig. 5C) and HBx (Fig. 5D)."

reach
"To determine if the 20S proteasome was the functional component for counteracting HBx stability via VCPIP1-mediated PSMC3, purified VCPIP1-Flag and PSMC3-Myc proteins were also prepared, and both were tagged with 6× His epitope (Fig. 6A)."
VCPIP1 affects MIR7-3HG
| 4
| 4

reach
"Although VCPIP1 overexpression led to significantly increased HBx in the Huh7 and HepG2 cells, it did not redice the amounts of HBx ubiquitination (Fig. 4C)."

reach
"As expected, ectopic VCPIP1 expression led to significantly increased HBx in a dose-dependent manner in both Huh7 and HepG2 cells (Fig. 2B)."

reach
"The dual-luciferase reporter assay showed that further VCPIP1 expression significantly enhanced the HBx-induced transactivation activity of NF-κB, AP-1, and SP-1 in the Huh7 and HepG2 cells, whereas VCPIP1 alone had no such effects (Fig. 7A)."

reach
"In addition, double knockdown of MATIIα and VCIP135 dramatically inhibits the growth in Huh7 and MHCC-97H cells (Fig. 5g and Supplementary Fig. S6c)."
VCPIP1 affects MAT2A
1 | 3
VCPIP1 binds MAT2A.
1 | 1
1 | 1

reach
"Here, we identified that VCIP135 binds to MATIIα to enhance MATIIα protein stability via deubiquitylation in response to folate treatment."
VCPIP1 increases the amount of MAT2A.
| 1
VCPIP1 increases the amount of MAT2A. 1 / 1
| 1

reach
"We then found that UBR4-reduced MATIIα protein level was dramatically restored by VCIP135 overexpression (Supplementary Fig. S2b)."
VCPIP1 deubiquitinates MAT2A.
| 1
VCPIP1 leads to the deubiquitination of MAT2A. 1 / 1
| 1

reach
"On the contrary, immunoblotting results showed that the MATIIα ubiquitylation was substantially inhibited by VCIP135 WT but not enzymatic-dead C218S mutant (Fig. 2c)."
PLEK affects GEMIN4
| 4
| 3

reach
"However, it has also been shown that ATP is required for the p97, p47, and VCIP135 complex to dissociate from Syn5 [XREF_BIBR]."

reach
"Other studies have confirmed that the p97, p47, and VCIP135 complex is required for cell-cycle-dependent reformation of the ER network and that p97-p47-mediated reassembly of Golgi cisternae requires the deubiquitinating activity of VCIP135 [XREF_BIBR, XREF_BIBR]."

reach
"The ubiquitin moieties on these substrates, added by HACE1 during mitosis, likely serve as receptors for the p97, p47, and VCIP135 complex at the end of mitosis to carry on fusion reactions after the removal of the ubiquitin tags by VCIP135 (XREF_FIG) XREF_BIBR, XREF_BIBR."
VCPIP1 binds GEMIN4, PLEK, GST, and syn5DeltaTM. 1 / 1
| 1

reach
"However, the VCIP135, p97, p47, GST, and syn5DeltaTM complex was dissociated only in the presence of ATP (XREF_FIG E, lane 4), and the VCIP135 and p97 complex was observed in the supernatant (unpublished data)."
ATR affects VCPIP1
| 4
ATR phosphorylates VCPIP1. 4 / 4
| 4

reach
"These results suggest that VCPIP1 is phosphorylated by ATM/ATR following DPC induction."

reach
"VCPIP1 is phosphorylated by ATM/ATR upon DPC induction."

reach
"Taken together, these data suggest that VCPIP1 phosphorylation by ATM/ATR is important for VCPIP1 activation following DPC induction."

reach
"Here, we report that in response to DPC induction, the deubiquitinase VCPIP1/VCIP135 is phosphorylated and activated by ATM/ATR."
P97 affects STX5
| 3
VCPIP1 binds STX5, p97, and p47. 2 / 2
| 2

sparser
"This simple binding experiment showed that VCIP135 can form a quaternary complex with syntaxin5, p97, and p47 (Fig. S2 available at)."

sparser
"VCIP135 binds to the p97p47syntaxin-5 complex and can dissociate p97 and p47 from syntaxin-5 ( xref )."
VCPIP1 binds p97 and STX5. 1 / 1
| 1

sparser
"VCIP135 did not bind to syntaxin5 with p97 ( xref C, lane 4), a finding which was investigated further ( xref F)."
VCPIP1 affects VCPIP1
| 3
VCPIP1 activates VCPIP1.
| 2
VCPIP1 bound to STX5 activates VCPIP1. 1 / 1
| 1

reach
"The binding of VCIP135 to syntaxin5 independently of p47 (XREF_FIG C) allows VCIP135 to be closely associated with the p97 and p47 complex, whereas in cytosol such an association is less likely."
VCPIP1 activates VCPIP1. 1 / 1
| 1

reach
"Dephosphorylation of S130 on VCIP135 upon staurosporine or roscovitine but not U0126 treatment also significantly increased the DUB activity of endogenous VCIP135 (XREF_FIG), consistent with the hypothesis that phosphorylation at S130 inactivates VCIP135."
VCPIP1 increases the amount of VCPIP1.
| 1
VCPIP1 increases the amount of VCPIP1. 1 / 1
| 1

reach
"Western blotting showed that the VCIP135 siRNA duplex significantly decreased the intracellular level of VCIP135 (Fig. S2A)."
VCPIP1 affects Top1cc
| 3
VCPIP1 inhibits Top1cc.
| 2
VCPIP1 inhibits Top1cc. 2 / 2
| 2

reach
"Loss of VCPIP1 resulted in cellular hypersensitivity to DPC-inducing agents, as well as Top1cc and DPC accumulation, suggesting that VCPIP1 plays a critical role in DPC repair."

reach
"We found that VCPIP1 deficiency resulted in enhanced Top1cc foci signals after CPT treatment (Figures 1M–1N), suggesting a role of VCPIP1 in Top1cc removal."
VCPIP1 activates Top1cc.
| 1
VCPIP1 activates Top1cc. 1 / 1
| 1

reach
"In agreement with this data, VCPIP1-WT rather than VCPIP1-CA could promote Top1cc removal by SPRTN (Figures 2G–2H)."
| 2

reach
"The substantial morphological remodeling of the Golgi after mitosis is regulated by P97/VCP‐VCPIP1 mediated Golgi membrane fusion (11, 15, 22, 24)."
VCPIP1 bound to VCP activates Golgi membrane fusion. 1 / 1
| 1

reach
"Conversely, VCPIP1 bound P97/VCP hexamer favors the binding of P47, and thus the intact SNARE complex, promoting Golgi membrane fusion."

reach
"A recent study found that phosphorylating VCPIP1 at S130 inhibited its deubiquitinase activity important for Golgi membrane fusion (44)."
VCPIP1 affects GST-syn5DeltaTM
| 3
GST-syn5DeltaTM binds VCPIP1. 3 / 3
| 3

reach
"VCIP135 bound to GST-syn5DeltaTM either with p47 or p97 and p47 (XREF_FIG C, lanes 5 and 6, respectively)."

reach
"We found that GST-syn5DeltaTM bound VCIP135 very efficiently (XREF_FIG A, lane 1) compared with GST-syn1DeltaTM (lane 2)."

reach
"To address this, we first performed binding experiments : p97 and p47 was incubated with either GST-syn5DeltaTM or VCIP135 + GST-syn5DeltaTM in the presence of nucleotides, and the proteins bound to GST-syn5DeltaTM were analyzed (XREF_FIG D; see also Fig."
STX5 affects p97
| 3
VCPIP1 binds STX5, p97, and p47. 2 / 2
| 2

sparser
"This simple binding experiment showed that VCIP135 can form a quaternary complex with syntaxin5, p97, and p47 (Fig. S2 available at)."

sparser
"VCIP135 binds to the p97p47syntaxin-5 complex and can dissociate p97 and p47 from syntaxin-5 ( xref )."
VCPIP1 binds p97 and STX5. 1 / 1
| 1

sparser
"VCIP135 did not bind to syntaxin5 with p97 ( xref C, lane 4), a finding which was investigated further ( xref F)."
PSMC3 affects VCPIP1
| 3
PSMC3 binds VCPIP1.
| 2
| 2

reach
"The mutual interactions between VCPIP1 and HBx (Fig. 1), HBx and PSMC3 (Fig. 5A), and PSMC3 and VCPIP1 (Fig. 5B) were identified."

reach
"Collectively, we propose a mutual interaction working model between VCPIP1, PSMC3, and HBx, in which they form a large ternary complex through VCPIP1 C-terminal-recruited binding of PSMC3 to HBx (Fig. 5N)."
PSMC3 increases the amount of VCPIP1.
| 1
PSMC3 increases the amount of VCPIP1. 1 / 1
| 1

reach
"As the in vitro system lacked the integral proteasome, we detected HBx expression with VCPIP1 and PSMC3 cotransfection in cells and found a consistent increase in HBx induced by ectopic PSMC3 expression upon VCPIP1 overexpression (Fig. 6E)."
GST-syn5DeltaTM affects VCPIP1
| 3
GST-syn5DeltaTM binds VCPIP1. 3 / 3
| 3

reach
"VCIP135 bound to GST-syn5DeltaTM either with p47 or p97 and p47 (XREF_FIG C, lanes 5 and 6, respectively)."

reach
"We found that GST-syn5DeltaTM bound VCIP135 very efficiently (XREF_FIG A, lane 1) compared with GST-syn1DeltaTM (lane 2)."

reach
"To address this, we first performed binding experiments : p97 and p47 was incubated with either GST-syn5DeltaTM or VCIP135 + GST-syn5DeltaTM in the presence of nucleotides, and the proteins bound to GST-syn5DeltaTM were analyzed (XREF_FIG D; see also Fig."
GEMIN4 affects PLEK, and VCPIP1
| 3
| 3

reach
"However, it has also been shown that ATP is required for the p97, p47, and VCIP135 complex to dissociate from Syn5 [XREF_BIBR]."

reach
"Other studies have confirmed that the p97, p47, and VCIP135 complex is required for cell-cycle-dependent reformation of the ER network and that p97-p47-mediated reassembly of Golgi cisternae requires the deubiquitinating activity of VCIP135 [XREF_BIBR, XREF_BIBR]."

reach
"The ubiquitin moieties on these substrates, added by HACE1 during mitosis, likely serve as receptors for the p97, p47, and VCIP135 complex at the end of mitosis to carry on fusion reactions after the removal of the ubiquitin tags by VCIP135 (XREF_FIG) XREF_BIBR, XREF_BIBR."
P97 affects SNTG2
| 2
VCPIP1 binds SNTG2, p47, and p97. 2 / 2
| 2

sparser
"During late mitosis, VCIP135 becomes dephosphorylated and associates with the p97p47Syn5 complex."

sparser
"At this time VCIP135 is inactivated by mitotic phosphorylation ( xref ; xref ) and thus monoubiquitinated Syn5, p97, p47, and VCIP135 form a transient quaternary complex ( xref )."
P47 affects STX5
| 2
VCPIP1 binds STX5, p97, and p47. 2 / 2
| 2

sparser
"This simple binding experiment showed that VCIP135 can form a quaternary complex with syntaxin5, p97, and p47 (Fig. S2 available at)."

sparser
"VCIP135 binds to the p97p47syntaxin-5 complex and can dissociate p97 and p47 from syntaxin-5 ( xref )."
P47 affects SNTG2
| 2
VCPIP1 binds SNTG2, p47, and p97. 2 / 2
| 2

sparser
"During late mitosis, VCIP135 becomes dephosphorylated and associates with the p97p47Syn5 complex."

sparser
"At this time VCIP135 is inactivated by mitotic phosphorylation ( xref ; xref ) and thus monoubiquitinated Syn5, p97, p47, and VCIP135 form a transient quaternary complex ( xref )."
| 2
VCPIP1 translocates to the membrane. 2 / 2
| 2

sparser
"Monoubiquitination of Syn5 recruits p97/p47 and VCIP135 to Golgi membranes through the interaction with the UBA domain of p47 ( xref , middle panel)."

sparser
"Subsequently, the p97/p47 complex recruits VCIP135 to the membrane."

reach
"In all these models, exogenous overexpression of VCPIP1 resulted in the elevation of viral transcription, increased production of secreted HBsAg and HBeAg, and more importantly, higher levels of intracellular capsids and capsid-associated progeny HBV DNA (Fig. 2A)."

reach
"In Huh7 cells transfected with p1.3HBV(X ) or pCMV-1.1HBV(X ), knockdown of endogenous VCPIP1 expression reduced viral transcription, production of secreted viral antigens, as well as progeny viral genome replication, whereas exogenous expression of VCPIP1 displayed the opposite effects (Fig. 4)."

reach
"VCPIP1-stabilized HBx functions as a canonical transactivator and inhibits cell proliferation.."

reach
"Further analysis revealed that putback of either VCIP135 or MAT2A effectively restored cell proliferation curbed by silencing VCIP135 (Fig. 5e, f and Supplementary Fig. S6b)."
VCPIP1 affects cccDNA
| 2
VCPIP1 increases the amount of cccDNA. 2 / 2
| 2

reach
"Moreover, VCPIP1 recruited PSMC3, promoting HBx protein levels, and enhanced HBV cccDNA transcription."

reach
"In this study, we demonstrated that VCPIP1 recruiting PSMC3 promoted the HBV cccDNA transcription by inhibiting HBx degradation, which suggested that drugs or methods targeting VCPIP1 and PSMC3 may produce better efficacy to antagonize HBV cccDNA.In summary, VCPIP1 is a novel DUB that stabilizes HBx in a ubiquitin-independent manner, serving as a scaffold for the interaction between free proteasome subunits PSMC3 and HBx."
VCPIP1 affects EnI/Xp
| 2
VCPIP1 binds EnI/Xp.
| 1
VCPIP1 binds EnI/Xp. 1 / 1
| 1

reach
"More importantly, we observed that VCPIP1 was also able to HBx-independently upregulate HBV, and mechanistic studies of this effect revealed that VCPIP1 indirectly binds a defined element in EnI/Xp and positively modulates its promoter and enhancer activities, partially by promoting the binding of YY1 transcription factor to this element in EnI/Xp."
VCPIP1 activates EnI/Xp.
| 1
VCPIP1 activates EnI/Xp. 1 / 1
| 1

reach
"To delineate VCPIP1-mediated upregulation of EnI/Xp, we introduced serially overlapping 80 nt deletions (Fig. S4B) and used EnI/Xp promoter activity assay to map potential VCPIP1-responsive element(s) (VRE)."
VCPIP1 affects EnI/Xp promoter
| 2
VCPIP1 activates EnI/Xp promoter. 2 / 2
| 2

reach
"VCPIP1 upregulates EnI/Xp promoter and enhancer activities."

reach
"Interestingly, deletion of the OTU domain obliterated VCPIP1-mediated enhancement of EnI/Xp promoter activity but did not affect its upregulation of EnI/Xp enhancer activity (Fig. 5F)."
VCPIP1 affects ERBIN
| 2
VCPIP1 ubiquitinates ERBIN.
| 1
VCPIP1 ubiquitinates ERBIN. 1 / 1
| 1

reach
"VCPIP1 negatively regulates NF-κB signaling pathways by deubiquitinating and stabilizing Erbin in MDP-stimulated macrophages."
VCPIP1 increases the amount of ERBIN.
| 1
VCPIP1 increases the amount of ERBIN. 1 / 1
| 1

reach
"The results showed that VCPIP1 deficiency reduced Erbin expression and increased NF-κB phosphorylation."
STX5 affects p47
| 2
VCPIP1 binds STX5, p97, and p47. 2 / 2
| 2

sparser
"This simple binding experiment showed that VCIP135 can form a quaternary complex with syntaxin5, p97, and p47 (Fig. S2 available at)."

sparser
"VCIP135 binds to the p97p47syntaxin-5 complex and can dissociate p97 and p47 from syntaxin-5 ( xref )."
SNTG2 affects p97
| 2
VCPIP1 binds SNTG2, p47, and p97. 2 / 2
| 2

sparser
"During late mitosis, VCIP135 becomes dephosphorylated and associates with the p97p47Syn5 complex."

sparser
"At this time VCIP135 is inactivated by mitotic phosphorylation ( xref ; xref ) and thus monoubiquitinated Syn5, p97, p47, and VCIP135 form a transient quaternary complex ( xref )."
MYC affects VCPIP1
| 2
MYC decreases the amount of VCPIP1.
| 1
MYC decreases the amount of VCPIP1. 1 / 1
| 1

reach
"It could be that when the MYBL1 gene is knocked down, MYC is downregulated, thereby affecting BOP1 and maybe even VCPIP1 expression."
MYC binds VCPIP1.
| 1
| 1

reach
"There are substantial data showing direct biological connections between MYBL1 and MYC [13], and MYC and BOP1 [35], and an indirect association between MYC and VCPIP1 as predicted by STRING ."
MAT2A affects VCPIP1
1 | 1
1 | 1

reach
"Here, we identified that VCIP135 binds to MATIIα to enhance MATIIα protein stability via deubiquitylation in response to folate treatment."
Cdc2 inhibitor affects VCPIP1
| 2
Cdc2 inhibitor phosphorylates VCPIP1.
| 1
Cdc2 inhibitor leads to the phosphorylation of VCPIP1. 1 / 1
| 1

reach
"The phosphorylation of VCIP135 (728-1221) was also suppressed by the Cdc2 inhibitor, olomoucine (right lane)."
Cdc2 inhibitor dephosphorylates VCPIP1.
| 1
Cdc2 inhibitor leads to the dephosphorylation of VCPIP1. 1 / 1
| 1

reach
"Staurosporine (broad serine/threonine kinase inhibitor) and olomoucine (Cdc2 inhibitor) inhibited VCIP135 phosphorylation (lanes 2 and 3)."
Syntaxin5 ( affects VCPIP1
| 1
VCPIP1 binds syntaxin5 (. 1 / 1
| 1

reach
"The addition of p97 decreased the amount of VCIP135 bound to syntaxin5 (XREF_FIG F)."
Syn5DeltaTM affects VCPIP1
| 1
VCPIP1 binds GEMIN4, PLEK, GST, and syn5DeltaTM. 1 / 1
| 1

reach
"However, the VCIP135, p97, p47, GST, and syn5DeltaTM complex was dissociated only in the presence of ATP (XREF_FIG E, lane 4), and the VCIP135 and p97 complex was observed in the supernatant (unpublished data)."
| 1
Staurosporine leads to the dephosphorylation of VCPIP1. 1 / 1
| 1

reach
"Staurosporine (broad serine/threonine kinase inhibitor) and olomoucine (Cdc2 inhibitor) inhibited VCIP135 phosphorylation (lanes 2 and 3)."
RGSK‐3β‐correlated DEPs affects VCPIP1
| 1
RGSK‐3β‐correlated DEPs deubiquitinates VCPIP1. 1 / 1
| 1

reach
"The rGSK‐3β‐correlated DEPs included OPTN, dehydrogenase/reductase SDR family member 4 (DHRS4), receptor protein serine/threonine kinase (TC2N), deubiquitinating protein VCIP135 (VCPIP1) (Figure 5c and f)."

reach
"To our knowledge, the inhibition of VCPIP1 by PEITC is the first report of inhibition of an OTU domain DUB."
P97 affects WAC
| 1
P97 binds WAC and VCPIP1. 1 / 1
| 1

sparser
"We therefore investigated the effect of phosphorylation on the binding of VCIP135 to p97 or WAC."
P97 affects Ubx
| 1
VCPIP1 binds Ubx and p97. 1 / 1
| 1

sparser
"In late mitosis, the DUB VCIP135, which associates with p97 via its UBX-L (UBX-like) domain, deubiquitinates Syn5, which permits interaction between the SNAREs, membrane fusion and finally the formation of Golgi cisternae [ xref ]."
P97 affects GST
| 1
VCPIP1 binds p97 and GST. 1 / 1
| 1

sparser
"Much less VCIP135(T760E, S767E) bound to GST-p97 ( Fig. 2 B, upper panel, lane 2) compared with VCIP135wt (lane 1)."
P97 p47 affects VCPIP1
| 1
P97 p47 binds VCPIP1. 1 / 1
| 1

reach
"Given that the UBX domain of p47 and the UBXL domain of VCIP135 compete for the same binding site on the p97 N domain, this might indicate that in the ternary p97 p47-VCIP135 complex one or more p47 s[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"
Importin affects alpha 1
| 1
Importin binds alpha 1, VCPIP1, and PLSCR4. 1 / 1
| 1

sparser
"The only other functional information about the N2 protein comes from a yeast-2 hybrid screen ( xref ) which suggested that N2 could bind directly to importin alpha 1, VCPIP1 and PLSCR4, although it is currently unclear how these putative interaction partners may contribute to the function of N2 described here."
Has-miR-499a-5p affects VCPIP1
| 1
VCPIP1 binds has-miR-499a-5p. 1 / 1
| 1

reach
"It was found that VCPIP1 bound has-miR-499a-5p, while LGR4 predicted two miRNAs, hsa-miR-520f-3p and hsa-miR-302c-3p."
| 1

reach
"Deubiquitinating protein VCIP135, the F-actin-capping protein sub-unit alpha-2, and insulin-like growth factor 2 mRNA-binding protein 2 were biotinylated via AirID fused with OR, RTP1S-AirID biotinylated heat shock protein A6 (HSPA6), and double-stranded RNA-binding protein Staufen homolog 2 (STAU2)."

reach
"Indeed, mechanistically, DPC induction triggers VCPIP1 activation by DNA damage-responsive kinases ATM/ATR, which then deubiquitinates SPRTN to repair DPCs."
Broad serine/threonine kinase inhibitor affects VCPIP1
| 1
Broad serine/threonine kinase inhibitor leads to the dephosphorylation of VCPIP1. 1 / 1
| 1

reach
"Staurosporine (broad serine/threonine kinase inhibitor) and olomoucine (Cdc2 inhibitor) inhibited VCIP135 phosphorylation (lanes 2 and 3)."
Alpha 1 affects importin
| 1
Importin binds alpha 1, VCPIP1, and PLSCR4. 1 / 1
| 1

sparser
"The only other functional information about the N2 protein comes from a yeast-2 hybrid screen ( xref ) which suggested that N2 could bind directly to importin alpha 1, VCPIP1 and PLSCR4, although it is currently unclear how these putative interaction partners may contribute to the function of N2 described here."
WAC affects p97
| 1
P97 binds WAC and VCPIP1. 1 / 1
| 1

sparser
"We therefore investigated the effect of phosphorylation on the binding of VCIP135 to p97 or WAC."
WAC affects GST
| 1
VCPIP1 binds WAC and GST. 1 / 1
| 1

sparser
"We next tested the binding of phosphorylated VCIP135 to WAC, as presented in Fig. 3 A. Cdc2-phosphorylated VCIP135 still bound to GST-WAC (upper panel, lane 2), suggesting that the phosphorylation of[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"
VCPIP1 affects syntaxin5 (
| 1
VCPIP1 binds syntaxin5 (. 1 / 1
| 1

reach
"The addition of p97 decreased the amount of VCIP135 bound to syntaxin5 (XREF_FIG F)."
VCPIP1 affects syn5DeltaTM
| 1
VCPIP1 binds GEMIN4, PLEK, GST, and syn5DeltaTM. 1 / 1
| 1

reach
"However, the VCIP135, p97, p47, GST, and syn5DeltaTM complex was dissociated only in the presence of ATP (XREF_FIG E, lane 4), and the VCIP135 and p97 complex was observed in the supernatant (unpublished data)."
VCPIP1 affects relocalization SPRTN
| 1
VCPIP1 activates relocalization SPRTN. 1 / 1
| 1

eidos
"Indeed , upon DPC induction , knockdown of VCPIP1 reduced the relocalization of SPRTN pool to chromatin ( Figure 2E ) , whereas VCPIP1 reconstitution reversed this phenotype ( Figures 2F and S2C ) ."
VCPIP1 affects premature aging mice
| 1
VCPIP1 inhibits premature aging mice. 1 / 1
| 1

eidos
"These results indicate that loss of VCPIP1 promotes premature aging in mice ."
VCPIP1 affects pol
| 1
VCPIP1 phosphorylates pol. 1 / 1
| 1

sparser
"Given our results, we propose that VCIP135 phosphorylation on S130 in early mitosis inhibits its activity and blocks Golgi membrane fusion, resulting in mitotic Golgi fragmentation; while VCIP135 reactivation by S130 dephosphorylation in telophase initiates p97/p47-mediated Golgi membrane fusion for postmitotic Golgi reassembly."
VCPIP1 affects p97-p47
| 1
VCPIP1 deubiquitinates p97-p47. 1 / 1
| 1

reach
"The intimate interaction of the three factors, however, suggests a mechanism that is dependent on the recognition and processing of a ubiquitin conjugate by p97-p47 and subsequent deubiquitination by VCIP135."
VCPIP1 affects p97 p47
| 1
P97 p47 binds VCPIP1. 1 / 1
| 1

reach
"Given that the UBX domain of p47 and the UBXL domain of VCIP135 compete for the same binding site on the p97 N domain, this might indicate that in the ternary p97 p47-VCIP135 complex one or more p47 s[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"
VCPIP1 affects p47, and p97
| 1
P47 binds p97 and VCPIP1. 1 / 1
| 1

sparser
"Hence, VCIP135 could bind to the p97/p47 complex in cytosol, possibly forming an unstable complex of p47, p97, and VCIP135 that was captured after chemical cross-linking."
| 1
| 1

reach
"Huang et al. reported that knockdown of VCPIP1 prevented SPRTN chromatin localization upon formaldehyde treatment, in agreement with previous reports that monoubiquitinated SPRTN is excluded from the chromatin (Stingele et al., 2016; Huang et al., 2020)."
VCPIP1 affects interaction
| 1
VCPIP1 activates interaction. 1 / 1
| 1

eidos
"Knockdown of VCPIP1 greatly reduced the interaction between SPRTN and PCAF / GCN5 in the presence of DPCs ( Figure S4H ) , suggesting that VCPIP1 is required to bring acetyltransferases to SPRTN in a DPC-dependent manner ."
VCPIP1 affects importin
| 1
Importin binds alpha 1, VCPIP1, and PLSCR4. 1 / 1
| 1

sparser
"The only other functional information about the N2 protein comes from a yeast-2 hybrid screen ( xref ) which suggested that N2 could bind directly to importin alpha 1, VCPIP1 and PLSCR4, although it is currently unclear how these putative interaction partners may contribute to the function of N2 described here."
VCPIP1 affects has-miR-499a-5p
| 1
VCPIP1 binds has-miR-499a-5p. 1 / 1
| 1

reach
"It was found that VCPIP1 bound has-miR-499a-5p, while LGR4 predicted two miRNAs, hsa-miR-520f-3p and hsa-miR-302c-3p."
| 1

reach
"We also demonstrated that VCPIP1 overexpression promoted the HBV cccDNA transcription and enhanced the HBV gene expression in the HBV-infected HepG2-NTCP cells."
VCPIP1 affects function
| 1
VCPIP1 inhibits function. 1 / 1
| 1

sparser
"TNFAIP3 , also called A20, is a deubiquitinating protein that can inhibit the function of a critical transcription factor, NF-κB and, hence, regulate expression of all downstream genes."

reach
"The depletion of VCIP135 caused fragmented and dispersed Golgi and a large-meshed ER network in cultured cells, and these morphological changes were rescued by the expression of VCIP135wt, but not by the expression of the VCIP135 mutant in which neither of the two p97-binding sites was intact."

reach
"Loss of VCPIP1 resulted in cellular hypersensitivity to DPC-inducing agents, as well as Top1cc and DPC accumulation, suggesting that VCPIP1 plays a critical role in DPC repair."
VCPIP1 affects deubiquitination induced FA treatment
| 1
VCPIP1 activates deubiquitination induced FA treatment. 1 / 1
| 1

eidos
"Importantly , as shown in Figures 2B and S2B , knockdown of VCPIP1 abolished the deubiquitination induced by FA treatment , suggesting that DPC-induced deubiquitination of SPRTN is dependent on VCPIP1 ."
VCPIP1 affects chromatin relocalization
| 1
VCPIP1 activates chromatin relocalization. 1 / 1
| 1

eidos
"VCPIP1 , in turn , deubiquitinates SPRTN and promotes its chromatin relocalization ."
VCPIP1 affects cellular hypersensitivity DPC-inducing
| 1
VCPIP1 inhibits cellular hypersensitivity DPC-inducing. 1 / 1
| 1

eidos
"Loss of VCPIP1 resulted in cellular hypersensitivity to DPC-inducing agents , as well as Top1cc and DPC accumulation , suggesting that VCPIP1 plays a critical role in DPC repair ."
VCPIP1 affects association SPRTN
| 1
VCPIP1 activates association SPRTN. 1 / 1
| 1

eidos
"VCPIP1 is phosphorylated by ATM / ATR upon DPC induction Our results so far suggest that VCPIP1 deubiquitinates SPRTN , thereby triggering association of SPRTN with chromatin following DPC damage ."
VCPIP1 affects alphaSnap
| 1
| 1

reach
"As shown in XREF_FIG G, VCIP135 partially prevented alpha-SNAP binding to GST-syn5DeltaTM, suggesting that VCIP135 directs syntaxin5 to p97 and p47 but not to alpha-SNAP and NSF."
VCPIP1 affects alpha 1
| 1
Importin binds alpha 1, VCPIP1, and PLSCR4. 1 / 1
| 1

sparser
"The only other functional information about the N2 protein comes from a yeast-2 hybrid screen ( xref ) which suggested that N2 could bind directly to importin alpha 1, VCPIP1 and PLSCR4, although it is currently unclear how these putative interaction partners may contribute to the function of N2 described here."
VCPIP1 affects acetylation SPRTN
| 1
VCPIP1 activates acetylation SPRTN. 1 / 1
| 1

eidos
"We found that knockdown of VCPIP1 decreased acetylation of SPRTN upon DPC induction ( Figure 4I ) , suggesting that SPRTN acetylation requires SPRTN deubiquitination ."
VCPIP1 affects YY1
| 1
VCPIP1 bound to EnI/Xp activates YY1. 1 / 1
| 1

reach
"More importantly, we observed that VCPIP1 was also able to HBx-independently upregulate HBV, and mechanistic studies of this effect revealed that VCPIP1 indirectly binds a defined element in EnI/Xp and positively modulates its promoter and enhancer activities, partially by promoting the binding of YY1 transcription factor to this element in EnI/Xp."
VCPIP1 affects WAC, and p97
| 1
P97 binds WAC and VCPIP1. 1 / 1
| 1

sparser
"We therefore investigated the effect of phosphorylation on the binding of VCIP135 to p97 or WAC."
VCPIP1 affects Ubx
| 1
VCPIP1 binds Ubx and p97. 1 / 1
| 1

sparser
"In late mitosis, the DUB VCIP135, which associates with p97 via its UBX-L (UBX-like) domain, deubiquitinates Syn5, which permits interaction between the SNAREs, membrane fusion and finally the formation of Golgi cisternae [ xref ]."
VCPIP1 affects Ubiquitin
| 1
| 1

reach
"As shown in XREF_FIG (lanes 3 and 4 vs. 2), co-expression of WT VCIP135, but not the C218S mutant, significantly reduced the ubiquitin signal (XREF_FIG)."
VCPIP1 affects USP11
| 1
| 1

sparser
"VCPIP1 and USP11 interact weakly with SPRTN in co-immunoprecipitating experiments, but show no (VCPIP1) or only weak (USP11) preference for SPRTN-Ub ( xref )."
VCPIP1 affects UFD1
| 1
VCPIP1 activates UFD1. 1 / 1
| 1

reach
"In particular, as p47, p37, Ufd1, and VCIP135 share the same p97-binding motif (SHP motif), it is reasonable that VCIP135 may induce the dissociation of complexes of p97 with p47, p37, and Ufd1."
VCPIP1 affects UBX-L domain
| 1
VCPIP1 binds GEMIN4 and UBX-L domain. 1 / 1
| 1

reach
"The DUB VCIP135, central to the regulation of membrane fusion, also binds p97 via a UBX-L domain [XREF_BIBR]."
VCPIP1 affects Top1cc foci
| 1
VCPIP1 inhibits Top1cc foci. 1 / 1
| 1

reach
"Knockout of Vcpip1 also enhanced the accumulation of Top1cc foci signals (Figures 5B–5C), and impeded spontaneous DPC repair ability (Figure 5D), indicating that VCPIP1 deficiency results in failure to repair DPCs."
VCPIP1 affects Top1cc accumulation
| 1
VCPIP1 inhibits Top1cc accumulation. 1 / 1
| 1

eidos
"Loss of VCPIP1 resulted in cellular hypersensitivity to DPC-inducing agents , as well as Top1cc and DPC accumulation , suggesting that VCPIP1 plays a critical role in DPC repair ."
VCPIP1 affects TRAF6
| 1
VCPIP1 inhibits TRAF6. 1 / 1
| 1

sparser
"Tumor necrosis factor alpha-induced protein 3 is a deubiquitinating protein that inhibits TRAF6 and thus prevents TRAF6 from ubiquitinating a key autophagic protein Beclin-1 ( xref )."
VCPIP1 affects SPRTN-mediated DPC repair
| 1
VCPIP1 activates SPRTN-mediated DPC repair. 1 / 1
| 1

eidos
"Deubiquitination of SPRTN by VCPIP1 is important for DPC repair We hypothesized that VCPIP1 deubiquitinates SPRTN and promotes SPRTN-mediated DPC repair ."
VCPIP1 affects SPRTN localization
| 1
VCPIP1 activates SPRTN localization. 1 / 1
| 1

eidos
"A previous study showed that VCPIP1 deubiquitinates SPRTN , promoting SPRTN localization to chromatin ( 35 ) ."
VCPIP1 affects SPRTN deubiquitylation
| 1
VCPIP1 activates SPRTN deubiquitylation. 1 / 1
| 1

eidos
"Neither VCPIP1 nor USP11 induce SPRTN deubiquitylation when overexpressed , while USP7 does ( Supplementary Figure S3B ) ."
VCPIP1 affects SP1
| 1
VCPIP1 activates SP1. 1 / 1
| 1

reach
"The dual-luciferase reporter assay showed that further VCPIP1 expression significantly enhanced the HBx-induced transactivation activity of NF-κB, AP-1, and SP-1 in the Huh7 and HepG2 cells, whereas VCPIP1 alone had no such effects (Fig. 7A)."
VCPIP1 affects SMN
| 1
| 1

sparser
"USP9X is a deubiquitinating protein that interacts with the SMN complex (Han et al., xref )."
VCPIP1 affects SHBG
| 1
| 1

reach
"To determine whether Cdk1 directly phosphorylates VCIP135 on S130, we performed an in vitro phosphorylation assay with streptavidin binding peptide (SBP)-tagged VCIP135 recombinant proteins."
VCPIP1 affects S130
| 1
VCP binds VCPIP1 and S130. 1 / 1
| 1

reach
"26 By structural analysis of the P97/VCPVCPIP1 complex, this site S130 is located in the N‐terminal OTU domain and clearly not located within the UFD1 for VCP interaction."
VCPIP1 affects PLSCR4
| 1
Importin binds alpha 1, VCPIP1, and PLSCR4. 1 / 1
| 1

sparser
"The only other functional information about the N2 protein comes from a yeast-2 hybrid screen ( xref ) which suggested that N2 could bind directly to importin alpha 1, VCPIP1 and PLSCR4, although it is currently unclear how these putative interaction partners may contribute to the function of N2 described here."
VCPIP1 affects OTU domain
| 1
CDC48 binds VCPIP1 and OTU domain. 1 / 1
| 1

reach
"S. cerevisiae Otu1p also physically interacts with Cdc48p XREF_BIBR and human CDC48 (VCP and p97) binds to VCIP135, an OTU domain DUB XREF_BIBR."
VCPIP1 affects Mice
| 1
VCPIP1 inhibits Mice. 1 / 1
| 1

reach
"These results indicate that loss of VCPIP1 promotes premature aging in mice."
VCPIP1 affects MYC
| 1
| 1

reach
"There are substantial data showing direct biological connections between MYBL1 and MYC [13], and MYC and BOP1 [35], and an indirect association between MYC and VCPIP1 as predicted by STRING ."
VCPIP1 affects MHCC-97H
| 1
VCPIP1 activates MHCC-97H. 1 / 1
| 1

reach
"In addition, double knockdown of MATIIα and VCIP135 dramatically inhibits the growth in Huh7 and MHCC-97H cells (Fig. 5g and Supplementary Fig. S6c)."
VCPIP1 affects MAPK1
| 1
| 1

sparser
"Interestingly, VCPIP1:MAPK1, PTPRK:FAM120B and KRAS:SENP6 were identified at in evRNA samples of patient 7 at baseline, NED2 and at recurrence, respectively ( xref – xref )."
VCPIP1 affects LGR4
| 1
| 1

sparser
"The starbase database was used to predict the RBPs interacting with LGR4 and VCPIP1, and the overlap analysis with DEGs showed that FMR1 and DICER1 were the most reliable, and they were differentially expressed in RNA-seq that we can see in xref ."
VCPIP1 affects KAT2B
| 1
| 1

sparser
"Interestingly, VCPIP1 interacted with PCAF and GCN5 in a DPC damage-inducible manner ( xref )."
VCPIP1 affects HBx protein
| 1
VCPIP1 activates HBx protein. 1 / 1
| 1

eidos
"VCPIP1 and its C-terminal amino acids 863 to 1221 upregulated the HBx protein expression , with or without HBV infection ."
| 1

reach
"This site was dephosphorylated in late mitosis and VCPIP1 was activated to promote the Golgi reassembly."
VCPIP1 affects Flag
| 1
| 1

sparser
"To determine if the 20S proteasome was the functional component for counteracting HBx stability via VCPIP1-mediated PSMC3, purified VCPIP1-Flag and PSMC3-Myc proteins were also prepared, and both were tagged with 6× His epitope ( xref )."
VCPIP1 affects FlaG
| 1
| 1

sparser
"We next checked if EML1 mutation perturbed this interaction, performing coIP experiments with GFP-EML1 T243A and FLAG-VCIP135."
VCPIP1 affects DPEP1
| 1
VCPIP1 leads to the ubiquitination of DPEP1. 1 / 1
| 1

reach
"VCPIP1 negatively regulates NF-κB signaling pathways by deubiquitinating and stabilizing Erbin in MDP-stimulated macrophages."
VCPIP1 affects DPC-dependent manner
| 1
VCPIP1 activates DPC-dependent manner. 1 / 1
| 1

eidos
"Knockdown of VCPIP1 greatly reduced the interaction between SPRTN and PCAF / GCN5 in the presence of DPCs ( Figure S4H ) , suggesting that VCPIP1 is required to bring acetyltransferases to SPRTN in a DPC-dependent manner ."
VCPIP1 affects CTBP1
| 1
VCPIP1 inhibits CTBP1. 1 / 1
| 1

reach
"On the other hand, the expression of VCIP135 mutants, in which either or both N- and C-terminal p97-binding sites lacked affinity for p97, did not rescue the Golgi morphology in VCIP135-depleted cells (Fig. 6A, panels d-f & h-j; Fig. 6B, fourth, fifth and sixth bars)."
VCPIP1 affects CDC48
| 1
CDC48 binds VCPIP1 and OTU domain. 1 / 1
| 1

reach
"S. cerevisiae Otu1p also physically interacts with Cdc48p XREF_BIBR and human CDC48 (VCP and p97) binds to VCIP135, an OTU domain DUB XREF_BIBR."
VCPIP1 affects CCNH
| 1
VCPIP1 activates CCNH. 1 / 1
| 1

reach
"In particular, as p47, p37, Ufd1, and VCIP135 share the same p97-binding motif (SHP motif), it is reasonable that VCIP135 may induce the dissociation of complexes of p97 with p47, p37, and Ufd1."
| 1

reach
"These results indicate that loss of VCPIP1 promotes premature aging in mice."
VCPIP1 affects ATPase
| 1
VCPIP1 bound to VCP activates ATPase. 1 / 1
| 1

reach
"However, the ATPase assay revealed that VCPIP1 binding to P97/VCP only slightly increases its ATPase activity (Figure 1E).2."
VCPIP1 affects AP1
| 1
VCPIP1 activates AP1. 1 / 1
| 1

reach
"The dual-luciferase reporter assay showed that further VCPIP1 expression significantly enhanced the HBx-induced transactivation activity of NF-κB, AP-1, and SP-1 in the Huh7 and HepG2 cells, whereas VCPIP1 alone had no such effects (Fig. 7A)."
VCP affects S130
| 1
VCP binds VCPIP1 and S130. 1 / 1
| 1

reach
"26 By structural analysis of the P97/VCPVCPIP1 complex, this site S130 is located in the N‐terminal OTU domain and clearly not located within the UFD1 for VCP interaction."
VCP affects PLEK
| 1
VCP binds PLEK and VCPIP1. 1 / 1
| 1

reach
"Fusion of membrane tubules also requires NSF/α, γ-SNAP, the p97/p47/VCIP135 complex, syntaxin 18, and BNIP1/sec20 [11] ."
VCIP135wt-HA affects VCPIP1
| 1
VCIP135wt-HA activates VCPIP1. 1 / 1
| 1

reach
"The expression of VCIP135wt-HA rescued the Golgi structures in VCIP135-depleted cells (Fig. 6A, panels c & g, white arrowheads; Fig. 6B, third bar from the top)."
Ubx affects p97
| 1
VCPIP1 binds Ubx and p97. 1 / 1
| 1

sparser
"In late mitosis, the DUB VCIP135, which associates with p97 via its UBX-L (UBX-like) domain, deubiquitinates Syn5, which permits interaction between the SNAREs, membrane fusion and finally the formation of Golgi cisternae [ xref ]."
USP11 affects VCPIP1
| 1
| 1

sparser
"VCPIP1 and USP11 interact weakly with SPRTN in co-immunoprecipitating experiments, but show no (VCPIP1) or only weak (USP11) preference for SPRTN-Ub ( xref )."
UBX-L domain affects VCPIP1
| 1
VCPIP1 binds GEMIN4 and UBX-L domain. 1 / 1
| 1

reach
"The DUB VCIP135, central to the regulation of membrane fusion, also binds p97 via a UBX-L domain [XREF_BIBR]."
U0126 affects VCPIP1
| 1
U0126 activates VCPIP1. 1 / 1
| 1

reach
"Dephosphorylation of S130 on VCIP135 upon staurosporine or roscovitine but not U0126 treatment also significantly increased the DUB activity of endogenous VCIP135 (XREF_FIG), consistent with the hypothesis that phosphorylation at S130 inactivates VCIP135."
STX5 affects VCPIP1, and p97
| 1
VCPIP1 binds p97 and STX5. 1 / 1
| 1

sparser
"VCIP135 did not bind to syntaxin5 with p97 ( xref C, lane 4), a finding which was investigated further ( xref F)."
STX5 affects GEMIN4
| 1
| 1

reach
"Since the p97, VCIP135, and syntaxin5 complex is very unstable (XREF_FIG C), a tighter VCIP135 and p97 complex then dissociates from syntaxin5 (XREF_FIG F)."
SMN affects VCPIP1
| 1
| 1

sparser
"USP9X is a deubiquitinating protein that interacts with the SMN complex (Han et al., xref )."
SHBG affects VCPIP1
| 1
| 1

reach
"To determine whether Cdk1 directly phosphorylates VCIP135 on S130, we performed an in vitro phosphorylation assay with streptavidin binding peptide (SBP)-tagged VCIP135 recombinant proteins."
S130 affects VCPIP1
| 1
VCP binds VCPIP1 and S130. 1 / 1
| 1

reach
"26 By structural analysis of the P97/VCPVCPIP1 complex, this site S130 is located in the N‐terminal OTU domain and clearly not located within the UFD1 for VCP interaction."
PLSCR4 affects importin
| 1
Importin binds alpha 1, VCPIP1, and PLSCR4. 1 / 1
| 1

sparser
"The only other functional information about the N2 protein comes from a yeast-2 hybrid screen ( xref ) which suggested that N2 could bind directly to importin alpha 1, VCPIP1 and PLSCR4, although it is currently unclear how these putative interaction partners may contribute to the function of N2 described here."
PLEK affects syn5DeltaTM
| 1
VCPIP1 binds GEMIN4, PLEK, GST, and syn5DeltaTM. 1 / 1
| 1

reach
"However, the VCIP135, p97, p47, GST, and syn5DeltaTM complex was dissociated only in the presence of ATP (XREF_FIG E, lane 4), and the VCIP135 and p97 complex was observed in the supernatant (unpublished data)."
PLEK affects VCP, and VCPIP1
| 1
VCP binds PLEK and VCPIP1. 1 / 1
| 1

reach
"Fusion of membrane tubules also requires NSF/α, γ-SNAP, the p97/p47/VCIP135 complex, syntaxin 18, and BNIP1/sec20 [11] ."
PLEK affects GST
| 1
VCPIP1 binds GEMIN4, PLEK, GST, and syn5DeltaTM. 1 / 1
| 1

reach
"However, the VCIP135, p97, p47, GST, and syn5DeltaTM complex was dissociated only in the presence of ATP (XREF_FIG E, lane 4), and the VCIP135 and p97 complex was observed in the supernatant (unpublished data)."
OTU domain affects VCPIP1
| 1
CDC48 binds VCPIP1 and OTU domain. 1 / 1
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"S. cerevisiae Otu1p also physically interacts with Cdc48p XREF_BIBR and human CDC48 (VCP and p97) binds to VCIP135, an OTU domain DUB XREF_BIBR."
NSFL1C affects VCPIP1
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NSFL1C activates VCPIP1. 1 / 1
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"Skillfully reversing ubiquitination, the deubiquitinase VCIP135 mediated by VCP/NSFL1C takes charge of orchestrating a seamless remodeling of the Golgi membrane (36, 39)."
MT-CO1 affects VCPIP1
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MT-CO1 bound to PTGS2 decreases the amount of VCPIP1. 1 / 1
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"These results imply that miR-145-3p regulates COX1 and COX2 genes, which possibly associates with mitochondrial activity.We subsequently knocked down MYBL1 and found that deficiency of MYBL1 in proliferating MuSCs decreased the expression of VCPIP1, Vexin, and COX1, while that of COX2 was increased (Figure 6F), which exactly mimics the inhibitory effect of ectopic miR-145-3p on these genes."
MAPK1 affects VCPIP1
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"Interestingly, VCPIP1:MAPK1, PTPRK:FAM120B and KRAS:SENP6 were identified at in evRNA samples of patient 7 at baseline, NED2 and at recurrence, respectively ( xref – xref )."
LGR4 affects VCPIP1
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"The starbase database was used to predict the RBPs interacting with LGR4 and VCPIP1, and the overlap analysis with DEGs showed that FMR1 and DICER1 were the most reliable, and they were differentially expressed in RNA-seq that we can see in xref ."
KAT2B affects VCPIP1
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"Interestingly, VCPIP1 interacted with PCAF and GCN5 in a DPC damage-inducible manner ( xref )."
HYCC1 affects VCPIP1
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HYCC1 activates VCPIP1. 1 / 1
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"The variation of HCC cell lines may contribute to the different changes of individual intermediates when silencing VCIP135 or MAT2A.We then investigated the functional role of VCIP135 and MAT2A in HCC cells growth."
HSPA6 affects VCPIP1
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HSPA6 deubiquitinates VCPIP1. 1 / 1
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"Deubiquitinating protein VCIP135, the F-actin-capping protein sub-unit alpha-2, and insulin-like growth factor 2 mRNA-binding protein 2 were biotinylated via AirID fused with OR, RTP1S-AirID biotinylated heat shock protein A6 (HSPA6), and double-stranded RNA-binding protein Staufen homolog 2 (STAU2)."
GST affects syn5DeltaTM
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VCPIP1 binds GEMIN4, PLEK, GST, and syn5DeltaTM. 1 / 1
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"However, the VCIP135, p97, p47, GST, and syn5DeltaTM complex was dissociated only in the presence of ATP (XREF_FIG E, lane 4), and the VCIP135 and p97 complex was observed in the supernatant (unpublished data)."
GST affects p97
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VCPIP1 binds p97 and GST. 1 / 1
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"Much less VCIP135(T760E, S767E) bound to GST-p97 ( Fig. 2 B, upper panel, lane 2) compared with VCIP135wt (lane 1)."
GST affects WAC
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VCPIP1 binds WAC and GST. 1 / 1
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"We next tested the binding of phosphorylated VCIP135 to WAC, as presented in Fig. 3 A. Cdc2-phosphorylated VCIP135 still bound to GST-WAC (upper panel, lane 2), suggesting that the phosphorylation of[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"
GST affects VCPIP1, and p97
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VCPIP1 binds p97 and GST. 1 / 1
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"Much less VCIP135(T760E, S767E) bound to GST-p97 ( Fig. 2 B, upper panel, lane 2) compared with VCIP135wt (lane 1)."
GST affects VCPIP1, and WAC
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VCPIP1 binds WAC and GST. 1 / 1
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"We next tested the binding of phosphorylated VCIP135 to WAC, as presented in Fig. 3 A. Cdc2-phosphorylated VCIP135 still bound to GST-WAC (upper panel, lane 2), suggesting that the phosphorylation of[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"
GST affects PLEK
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VCPIP1 binds GEMIN4, PLEK, GST, and syn5DeltaTM. 1 / 1
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"However, the VCIP135, p97, p47, GST, and syn5DeltaTM complex was dissociated only in the presence of ATP (XREF_FIG E, lane 4), and the VCIP135 and p97 complex was observed in the supernatant (unpublished data)."
GEMIN4 affects UBX-L domain, and VCPIP1
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VCPIP1 binds GEMIN4 and UBX-L domain. 1 / 1
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"The DUB VCIP135, central to the regulation of membrane fusion, also binds p97 via a UBX-L domain [XREF_BIBR]."
GEMIN4 affects STX5, and VCPIP1
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"Since the p97, VCIP135, and syntaxin5 complex is very unstable (XREF_FIG C), a tighter VCIP135 and p97 complex then dissociates from syntaxin5 (XREF_FIG F)."
GEMIN4 affects GST, PLEK, VCPIP1, and syn5DeltaTM
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VCPIP1 binds GEMIN4, PLEK, GST, and syn5DeltaTM. 1 / 1
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"However, the VCIP135, p97, p47, GST, and syn5DeltaTM complex was dissociated only in the presence of ATP (XREF_FIG E, lane 4), and the VCIP135 and p97 complex was observed in the supernatant (unpublished data)."
Flag affects VCPIP1
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"To determine if the 20S proteasome was the functional component for counteracting HBx stability via VCPIP1-mediated PSMC3, purified VCPIP1-Flag and PSMC3-Myc proteins were also prepared, and both were tagged with 6× His epitope ( xref )."
FlaG affects VCPIP1
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"We next checked if EML1 mutation perturbed this interaction, performing coIP experiments with GFP-EML1 T243A and FLAG-VCIP135."
EnI/Xp affects VCPIP1
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VCPIP1 binds EnI/Xp. 1 / 1
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"More importantly, we observed that VCPIP1 was also able to HBx-independently upregulate HBV, and mechanistic studies of this effect revealed that VCPIP1 indirectly binds a defined element in EnI/Xp and positively modulates its promoter and enhancer activities, partially by promoting the binding of YY1 transcription factor to this element in EnI/Xp."
DNA kinases affects VCPIP1
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DNA kinases inhibits VCPIP1. 1 / 1
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"Indeed , mechanistically , DPC induction triggers VCPIP1 activation by DNA damage-responsive kinases ATM / ATR , which then deubiquitinates SPRTN to repair DPCs ."
CSNKA1A affects VCPIP1
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CSNKA1A inhibits VCPIP1. 1 / 1
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"Overexpressing miR-145-3p elevated the expression of CSNKA1A, a gene 0.08 Mb downstream of miR-145 in goat chromosome 7, but decreased MYBL1 and its neighboring genes, including VCPIP1 and Vexin (Figure 6A,B)."
CDC48 affects VCPIP1
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CDC48 binds VCPIP1 and OTU domain. 1 / 1
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"S. cerevisiae Otu1p also physically interacts with Cdc48p XREF_BIBR and human CDC48 (VCP and p97) binds to VCIP135, an OTU domain DUB XREF_BIBR."
ATP affects VCPIP1
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ATP activates VCPIP1. 1 / 1
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"34 Considering the key role in contact with VCP by VCPIP1 Y623 and F638, which are the neighboring residues of K632 and K646, UFD1 ubiquitination might have a direct effect on their interaction and thus regulate Golgi membrane dynamics.In conclusion, our findings uncover the high‐resolution structure of the P97/VCP‐VCPIP1 complex and reveal the unique and unexpected binding modes between the ATP‐driven substrate unfoldase P97/VCP and the deubiquitinase VCPIP1."