IndraLab

Statements


RPS6KB1 phosphorylates RPS6. 10 / 458
8 | 227 204 3

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"However, we demonstrated that while both rapamycin treatment and chemical inhibition of p70S6K with FRI00705 effectively suppressed S6 and rictor phosphorylation, p-Akt levels were potently elevated b[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

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"These results demonstrate that, in imatinib resistant KCL22 cells, inhibition of either CK2 or p70S6K almost abolishes rpS6 phosphorylation, while the inhibition of one kinase does not influence the activity of the other."

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"These results suggest that the hyper-phosphorylation of rpS6 is not directly mediated by an increased activation of its kinases RSK and p70S6K."

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"mTORC1 activated p70S6K phosphorylates the 40S-ribosomal protein S6."

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"mTOR activation has been linked to cardiac hypertrophy by phosphorylating downstream targets including eukaryotic initiation factor 4E binding protein 1 (4E-BP1) and ribosomal S6 kinase (p70S6K), which leads to increased phosphorylation of ribosomal protein S6 (S6)."

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"Since p70S6K can also phosphorylate rpS6, the actual effect of the RSK inhibitors on rpS6 phosphorylation could be masked."

sparser
"FRAP may activate p70 S6 kinase which phosphorylates the S6 subunit of the 40S ribosomal subunit, an event that correlates with growth factor-regulated increases of translation of defined, growth regu[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

sparser
"Its major effects are mediated by phosphorylation of proteins involved in the regulation of protein synthesis such as 4EBP1 and p70S6K, with subsequent phosphorylation of ribosomal S6 protein by p70S6K, and the components of ULK1 kinase that play a critical role in the regulation of autophagy [ xref ]."

sparser
"As mentioned above, S6K1 phosphorylates S6 at multiple sites to drive protein translation; therefore, it is intriguing to ask whether those phosphorylation events play roles in T cells."

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"One target of mTOR is the ribosomal S6 kinase (S6K1) that phosphorylates the ribosomal protein S6 XREF_BIBR."
RPS6KB1 phosphorylates RPS6 on S235. 10 / 12
1 1 3 | 4 3

No evidence text available

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"Ribosomal S6 kinase1 (S6K1), a downstream effector of mTORC1, phosphorylates ribosomal protein S6 at serine 235, 236, 240, 244 and 247 and the ratio of pS6 S235/236 / S6 was used as the functional marker of mTORC1 kinase activity 9."

sparser
"A recent bioinformatics study performed KEGG analysis and gene set enrichment analysis (GSEA) via Gene Expression Profiling Interactive Analysis (GEPIA) based on The Cancer Genome Atlas (TCGA) datasets and demonstrated that ACTL6A significantly affects ribosomal pathways. xref Since S6 kinase (S6K1) is a key member of the pathway, that participates in translational control, and the S6 kinase (S6K1)-S6 signaling pathway is critical for regulating proliferation and survival in response to growth factors, we focused on S6K1 as a downstream target of ACTL6A. xref S6K1 always phosphorylates S6 protein at Ser235, Ser236, Ser240, Ser244, and Ser247. xref Aberrant upregulation of S6 phosphorylation and increased S6K activity are frequently present in various tumors including ESCC. xref Although phosphorylated-ribosomal protein S6 (p-S6) is considered to be a potential target in ESCC in vitro and S6 phosphorylation has prognostic significance in ESCC, the relationship between S6 and ACTL6A remains unclear. xref "

No evidence text available

sparser
"In fact, S6Ks phosphorylate rpS6 on S235 (structurally equivalent to S240 in Arabidopsis), S236, S240, and S244, while RSKs (absent in plants) phosphorylate only two residues (S235 and S236) ( xref )."

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"After stimulation, S6K1 phosphorylates S6 on five serine residues (S235, S236, S240, S244, and S247) within the C-terminus [XREF_BIBR]."

No evidence text available

"A knockin mouse carrying mutations at all phosphorylation sites in the primary s6k substrate, ribosomal protein s6 (rps6), has provided insight into the physiological role of this protein phosphorylation event. Of the many known substrates of s6k1, it is rps6 that has been shown to be directly involved, via its phosphorylation, in controlling cell size."

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"The phosphorylation of rpS6 at S235 and S236 can be mediated by RSK and/or p70S6K."

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"XREF_BIBR S6K1 always phosphorylates S6 protein at Ser235, Ser236, Ser240, Ser244, and Ser247."
RPS6KB1 phosphorylates RPS6 on S240. 10 / 11
1 | 8 2

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"Its phosphorylation serves as a robust readout of mTORC1 activity, since rpS6 is phosphorylated at Serine 240 and 244 specifically by p70S6K, which is itself activated by direct phosphorylation of Thr389 by mTORC1 [24–26]."

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"S6 is phosphorylated by both S6K1 and the closely related S6K2 on Ser 240 / Ser 244 as well as Ser 235 / Ser 236."

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"Similarly, p70 S6 kinase mediated phosphorylation of ribosomal S6 at S235 and S240 was comparable between WT and Dapk -/- T cells (XREF_SUPPLEMENTARY)."

sparser
"Similarly, p70 S6 kinase-mediated phosphorylation of ribosomal S6 at S235 and S240 was comparable between WT and Dapk −/− T cells ( xref )."

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"These results are consistent with the conclusion that phosphorylation of S6 (S240) by S6K1 is an essential prerequisite for subsequent phosphorylation of S6 (S235) by RSK."

sparser
"A recent bioinformatics study performed KEGG analysis and gene set enrichment analysis (GSEA) via Gene Expression Profiling Interactive Analysis (GEPIA) based on The Cancer Genome Atlas (TCGA) datasets and demonstrated that ACTL6A significantly affects ribosomal pathways. xref Since S6 kinase (S6K1) is a key member of the pathway, that participates in translational control, and the S6 kinase (S6K1)-S6 signaling pathway is critical for regulating proliferation and survival in response to growth factors, we focused on S6K1 as a downstream target of ACTL6A. xref S6K1 always phosphorylates S6 protein at Ser235, Ser236, Ser240, Ser244, and Ser247. xref Aberrant upregulation of S6 phosphorylation and increased S6K activity are frequently present in various tumors including ESCC. xref Although phosphorylated-ribosomal protein S6 (p-S6) is considered to be a potential target in ESCC in vitro and S6 phosphorylation has prognostic significance in ESCC, the relationship between S6 and ACTL6A remains unclear. xref "

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"Its phosphorylation serves as a robust readout of mTORC1 activity, since rpS6 is phosphorylated at Serine 240 and 244 specifically by p70S6K, which is itself activated by direct phosphorylation of Thr 389 by mTORC1 [24] [25] [26] ."

No evidence text available

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"After stimulation, S6K1 phosphorylates S6 on five serine residues (S235, S236, S240, S244, and S247) within the C-terminus [XREF_BIBR]."

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"The p70 ribosomal S6 kinases, directly regulated by mTOR, phosphorylate rpS6 on Ser 240 and Ser 244."
RPS6KB1 phosphorylates RPS6 on S236. 10 / 10
1 1 3 | 4 1

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"The phosphorylation of rpS6 at S235 and S236 can be mediated by RSK and/or p70S6K."

No evidence text available

"A knockin mouse carrying mutations at all phosphorylation sites in the primary s6k substrate, ribosomal protein s6 (rps6), has provided insight into the physiological role of this protein phosphorylation event. Of the many known substrates of s6k1, it is rps6 that has been shown to be directly involved, via its phosphorylation, in controlling cell size."

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"After stimulation, S6K1 phosphorylates S6 on five serine residues (S235, S236, S240, S244, and S247) within the C-terminus [XREF_BIBR]."

No evidence text available

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"XREF_BIBR S6K1 always phosphorylates S6 protein at Ser235, Ser236, Ser240, Ser244, and Ser247."

sparser
"A recent bioinformatics study performed KEGG analysis and gene set enrichment analysis (GSEA) via Gene Expression Profiling Interactive Analysis (GEPIA) based on The Cancer Genome Atlas (TCGA) datasets and demonstrated that ACTL6A significantly affects ribosomal pathways. xref Since S6 kinase (S6K1) is a key member of the pathway, that participates in translational control, and the S6 kinase (S6K1)-S6 signaling pathway is critical for regulating proliferation and survival in response to growth factors, we focused on S6K1 as a downstream target of ACTL6A. xref S6K1 always phosphorylates S6 protein at Ser235, Ser236, Ser240, Ser244, and Ser247. xref Aberrant upregulation of S6 phosphorylation and increased S6K activity are frequently present in various tumors including ESCC. xref Although phosphorylated-ribosomal protein S6 (p-S6) is considered to be a potential target in ESCC in vitro and S6 phosphorylation has prognostic significance in ESCC, the relationship between S6 and ACTL6A remains unclear. xref "

No evidence text available

No evidence text available

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"XREF_BIBR The S6K1 dependent regulation of cellular size is mediated by ribosomal protein S6, which is phosphorylated by S6K1 and the closely related S6K2 on Ser235 and Ser236."
RPS6KB1-S6K phosphorylates RPS6. 9 / 10
| 9

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"P70 S6K phosphorylates eukaryotic translation Initiation Factor-4B (eIF-4B) and S6 Ribosomal Protein (S6RP), which in turn allows translation and translational elongation."

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"P70 S6K phosphorylates the ribosomal protein S6 (rpS6), resulting in increased translation of mRNAs containing a 5 ' olygopyrimidine tract, whereas phosphorylation of 4E-BP1 by mTOR relieves inhibition on the initiation factor eIF4E resulting in more efficient cap dependent translation XREF_BIBR."

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"P70 S6K phosphorylates the ribosomal protein S6 (RPS6), resulting in increased translation of mRNAs containing a 5 ' oligopyrimidine tract, whereas phosphorylation of 4E-BP1 by mTOR relieves inhibition on the initiation factor eIF4E, resulting in more efficient cap dependent translation."

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"As mentioned above, the phosphorylation status of S6 is also commonly used as a marker of mTOR activity, and previous studies have shown that S6 is predominantly phosphorylated by p70 s6k on residues such as S235/236 and S240/244 XREF_BIBR, XREF_BIBR."

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"We note that p70 (s6k) phosphorylates the ribosomal S6 protein and stimulates translation of ribosomal proteins and translation elongation factors whose transcripts contain 5 ' oligopyramidine tracts [MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

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"P70 S6K, which phosphorylates 40 S ribosomal protein S6 in response to mitogenic stimulation, is known to be involved in cell growth regulation."

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"The S6 protein is a component of the 40S ribosomal subunit and, as phosphorylation of the S6 protein by p70 S6K correlates with increased translation, this suggests one possible mechanism by which rap[MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

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"Active p70 s6k phosphorylates the ribosomal S6 protein and thus regulates the translation of mRNAs that contain polypyrimidine tracks (about 20% of the total mRNA) including various components of the [MISSING/INVALID CREDENTIALS: limited to 200 char for Elsevier]"

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"Upon activation by receptor tyrosine kinases or G protein coupled receptors, AKT activates mTOR, which in turn stimulates protein translation through inhibitory phosphorylation of eukaryotic translational initiation factor eIF4E binding protein 1 (4E-BP1) that inhibits eIF4E, and activating phosphorylation of p70S6 kinase (S6K) that phosphorylates ribosomal S6 protein."
Phosphorylated RPS6KB1 phosphorylates RPS6. 7 / 7
1 | 6

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"It is known that mTOR phosphorylates p70S6K followed by p70S6K induced phosphorylation of eIF4B and S6 (XREF_FIG)."

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"It has been well established that activation of PI3K/Akt/mTOR pathway leads to phosphorylation of p70S6 kinase, which subsequently induces the phosphorylation of ribosomal protein S6."

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"In particular, phosphorylated p70S6K enhances phosphorylation and activity of ribosomal protein S6 and initiates various translation activities required for cell growth."

No evidence text available

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"Phosphorylation of p70S6K stimulates its phosphorylation of ribosomal protein S6, initiating a variety of translation associated activities."

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"Activated mTOR phosphorylates p70 ribosomal protein S6 kinase (p70S6K) followed by p70S6K induced phosphorylation of ribosomal protein S6 and eukaryotic initiation factor 4B (eIF-4B) which promotes the initiation of protein translation."

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"Both the phosphorylated p70S6K and phosphorylated rpS6 expression were reduced in the FulvC2 as compared to the parental and other sublines."
RPS6KB1 phosphorylates RPS6 on serine. 7 / 7
| 2 4 1

sparser
"After stimulation, S6K1 phosphorylates S6 on five serine residues (S235, S236, S240, S244, and S247) within the C-terminus [ xref ]."

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"After stimulation, S6K1 phosphorylates S6 on five serine residues (S235, S236, S240, S244, and S247) within the C-terminus [XREF_BIBR]."

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"P70S6K subsequently phosphorylates the S6 ribosomal protein on Ser (235)/Ser (236) and Ser (240)/Ser (244) to promote initiation of mRNA translation."

rlimsp
"Ribosomal protein (rp) S6 is a component of the 40S ribosomal subunit that becomes phosphorylated at several serine residues upon mitogen stimulation, but the exact molecular mechanisms regulating its phosphorylation and the function of phosphorylated rpS6 is poorly understood. Here, we provide evidence that activation of the p90 ribosomal S6 kinases (RSKs) by serum, growth factors, tumor promoting phorbol esters, and oncogenic Ras is required for rpS6 phosphorylation downstream of the Ras/ERK signaling cascade. We demonstrate that while ribosomal S6 kinase 1 (S6K1) phosphorylates rpS6 at all sites, RSK exclusively phosphorylates rpS6 at Ser(235/236) in vitro and in vivo using an mTOR-independent mechanism."

sparser
"In T cells, rpS6 is phosphorylated on 5 evolutionarily conserved serine residues by S6K1, and to a lesser extent by other AGC kinases including the p90 ribosomal S6 kinases (RSKs) ( xref ), in response to TCR/costimulation and cytokine and nutrient signaling pathways."

sparser
"Activated p70S6 kinase phosphorylates the 40S ribosomal S6 protein on serine residues, enabling mRNA translation."

sparser
"In T cells, rpS6 is phosphorylated on five evolutionarily conserved serine residues by S6K1 and to a lesser extent by other AGC kinases including the p90 ribosomal S6 kinases ( xref ) in response to TCR/costimulation and cytokine and nutrient signaling pathways."
RPS6KB1 phosphorylates RPS6 on S6. 5 / 5
| 5

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"Activated mTORC1 phosphorylates S6K1, which phosphorylates S6 (40S ribosomal protein S6), enhancing the translation of mRNAs with a 5 '-terminal oligopolypyrimidine (5 '-TOP)."

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"The IFNgamma activated p70 S6 kinase subsequently phosphorylates the 40S S6 ribosomal protein on serines 235/236, to regulate IFNgamma dependent mRNA translation."

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"mTORC1 controls mRNA translation via at least two well-established downstream targets: p70S6 kinase (p70S6K), which phosphorylates several translation factors including the ribosomal protein S6 (pS6), and repressor proteins of eukaryotic initiation factor 4E (eIF4E) termed 4E-BPs [5]."

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"mTORC1 controls mRNA translation via at least two well-established downstream targets: p70S6 kinase (p70S6K), which phosphorylates several translation factors including the ribosomal protein S6 (pS6), and repressor proteins of eukaryotic initiation factor 4E (eIF4E) termed 4E-BPs [5]."

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"Subsequently, activated p70S6K phosphorylates S6 (40S ribosomal protein S6) and other ribosomal proteins and elongation factors and therefore enhances the translation of mRNAs and promotes proteins synthesis XREF_BIBR."
RPS6KB1 phosphorylates RPS6 on S244. 5 / 5
1 | 3 1

sparser
"A recent bioinformatics study performed KEGG analysis and gene set enrichment analysis (GSEA) via Gene Expression Profiling Interactive Analysis (GEPIA) based on The Cancer Genome Atlas (TCGA) datasets and demonstrated that ACTL6A significantly affects ribosomal pathways. xref Since S6 kinase (S6K1) is a key member of the pathway, that participates in translational control, and the S6 kinase (S6K1)-S6 signaling pathway is critical for regulating proliferation and survival in response to growth factors, we focused on S6K1 as a downstream target of ACTL6A. xref S6K1 always phosphorylates S6 protein at Ser235, Ser236, Ser240, Ser244, and Ser247. xref Aberrant upregulation of S6 phosphorylation and increased S6K activity are frequently present in various tumors including ESCC. xref Although phosphorylated-ribosomal protein S6 (p-S6) is considered to be a potential target in ESCC in vitro and S6 phosphorylation has prognostic significance in ESCC, the relationship between S6 and ACTL6A remains unclear. xref "

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"After stimulation, S6K1 phosphorylates S6 on five serine residues (S235, S236, S240, S244, and S247) within the C-terminus [XREF_BIBR]."

No evidence text available

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"The p70 ribosomal S6 kinases, directly regulated by mTOR, phosphorylate rpS6 on Ser 240 and Ser 244."

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"The ribosomal protein S6 is a component of the 40S ribosomal subunit and is phosphorylated at Ser 240/244 by p70S6 kinase (S6K1), a direct target of mTORC1."
RPS6KB1 phosphorylates RPS6 at position 244. 3 / 3
| 3

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"Its phosphorylation serves as a robust readout of mTORC1 activity, since rpS6 is phosphorylated at Serine 240 and 244 specifically by p70S6K, which is itself activated by direct phosphorylation of Thr389 by mTORC1 [24–26]."

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"Its phosphorylation serves as a robust readout of mTORC1 activity, since rpS6 is phosphorylated at Serine 240 and 244 specifically by p70S6K, which is itself activated by direct phosphorylation of Thr 389 by mTORC1 [24] [25] [26] ."

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"Ribosomal S6 kinase1 (S6K1), a downstream effector of mTORC1, phosphorylates ribosomal protein S6 at serine 235, 236, 240, 244 and 247 and the ratio of pS6 S235/236 / S6 was used as the functional marker of mTORC1 kinase activity 9."
RPS6KB1 phosphorylates RPS6 on S247. 2 / 2
| 1 1

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"After stimulation, S6K1 phosphorylates S6 on five serine residues (S235, S236, S240, S244, and S247) within the C-terminus [XREF_BIBR]."

sparser
"A recent bioinformatics study performed KEGG analysis and gene set enrichment analysis (GSEA) via Gene Expression Profiling Interactive Analysis (GEPIA) based on The Cancer Genome Atlas (TCGA) datasets and demonstrated that ACTL6A significantly affects ribosomal pathways. xref Since S6 kinase (S6K1) is a key member of the pathway, that participates in translational control, and the S6 kinase (S6K1)-S6 signaling pathway is critical for regulating proliferation and survival in response to growth factors, we focused on S6K1 as a downstream target of ACTL6A. xref S6K1 always phosphorylates S6 protein at Ser235, Ser236, Ser240, Ser244, and Ser247. xref Aberrant upregulation of S6 phosphorylation and increased S6K activity are frequently present in various tumors including ESCC. xref Although phosphorylated-ribosomal protein S6 (p-S6) is considered to be a potential target in ESCC in vitro and S6 phosphorylation has prognostic significance in ESCC, the relationship between S6 and ACTL6A remains unclear. xref "
Kinase-active RPS6KB1 phosphorylates RPS6 on S244. 2 / 2
2 |

"from full text:Phosphorylation of rpS6 is mediated by both S6K1 and p90RSK, whereby S6K1 phosphorylates two sets of sites, S235/236 and S240/244, and p90RSK phosphorylates only S235/236"

"we found that S6K1, but not RSK1 or RSK2, was capable of phosphorylating rpS6 on Ser240/244."
Kinase-active RPS6KB1 phosphorylates RPS6 on S240. 2 / 2
2 |

"from full text:Phosphorylation of rpS6 is mediated by both S6K1 and p90RSK, whereby S6K1 phosphorylates two sets of sites, S235/236 and S240/244, and p90RSK phosphorylates only S235/236"

"we found that S6K1, but not RSK1 or RSK2, was capable of phosphorylating rpS6 on Ser240/244."
Modified RPS6KB1 leads to the phosphorylation of RPS6. 2 / 2
| 2

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"Both S6K1 and S6K2 are expressed in T cells and contribute to robust phosphorylation of S6 and other substrates following TCR stimulation."

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"As shown in Figure S1, available online, ectopic expression of WT S6K1, CA S6K1, or CA S6K2 increased phosphorylation of a known substrate, ribosomal protein S6 (rpS6)."
RPS6KB1 phosphorylates RPS6 at position 240. 1 / 1
| 1

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"Ribosomal S6 kinase1 (S6K1), a downstream effector of mTORC1, phosphorylates ribosomal protein S6 at serine 235, 236, 240, 244 and 247 and the ratio of pS6 S235/236 / S6 was used as the functional marker of mTORC1 kinase activity 9."
RPS6KB1 phosphorylates RPS6 on threonine. 1 / 1
| 1

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"Protein, p70S6K, accompanied with Ser Thr kinase, phosphorylates the ribosomal S6 subunit, the fundamental sequel in cell cycle control, growth, and differentiation leading to tau accumulation by translation and upregulating the expression."
Phosphorylated RPS6KB1 phosphorylates RPS6 on S6. 1 / 1
| 1

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"The phosphorylated S6K1 then phosphorylates S6 (40S ribosomal protein S6), thereby enhancing the translation of mRNAs."
RPS6KB1 phosphorylates RPS6 at position 236. 1 / 1
| 1

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"Ribosomal S6 kinase1 (S6K1), a downstream effector of mTORC1, phosphorylates ribosomal protein S6 at serine 235, 236, 240, 244 and 247 and the ratio of pS6 S235/236 / S6 was used as the functional marker of mTORC1 kinase activity 9."
RPS6KB1 phosphorylates RPS6 at position 247. 1 / 1
| 1

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"Ribosomal S6 kinase1 (S6K1), a downstream effector of mTORC1, phosphorylates ribosomal protein S6 at serine 235, 236, 240, 244 and 247 and the ratio of pS6 S235/236 / S6 was used as the functional marker of mTORC1 kinase activity 9."