IndraLab
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"The N-terminal domain (aa 22–138) of CALM contains the ANTH domain, which specifically binds to lipids (PtdIns(4,5)P 2 ) in the plasma membrane. xref , xref , xref , xref The three-dimensional structure of the N-terminal 280 amino acids of CALM has been solved and consists of 10 α-helices, which aggregate to form a globular protein. xref The C-terminal half of CALM, on the other hand, has most likely a poorly ordered structure that contains multiple short protein interaction motifs, functioning like a flexible ‘fishing line'. xref This composition of CALM permits the establishment of interactions during clathrin-coated pit assembly. xref Interestingly, FHL2 binds to β-integrin, xref which together with clathrin, a major binding partner of CALM, has been shown to be involved in endocytosis. xref , xref Taken together, these data suggest a role for the CALM–FHL2 interaction in the complex interaction network in endocytosis."