FUNCTION: Histone-binding protein required for histone H4 methyltransferase activity of PRMT5. Specifically required for histone H4 'Arg-3' methylation mediated by PRMT5, but not histone H3 'Arg-8' methylation, suggesting that it modulates the substrate specificity of PRMT5. Specifically interacts w...
FUNCTION: Histone-binding protein required for histone H4 methyltransferase activity of PRMT5. Specifically required for histone H4 'Arg-3' methylation mediated by PRMT5, but not histone H3 'Arg-8' methylation, suggesting that it modulates the substrate specificity of PRMT5. Specifically interacts with the N-terminus of histone H4 but not with histone H3, suggesting that it acts by promoting the association between histone H4 and PRMT5. Involved in CCNE1 promoter repression. Plays a role in muscle cell differentiation by modulating the recruitment of PRMT5 to the promoter of genes involved in the coordination between cell cycle exit and muscle differentiation (By similarity). {ECO:0000250, ECO:0000269|PubMed:18404153}.
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GO - Biological processes (BP):
chromatin organization [GO:0006325]; histone H4-R3 methylation [GO:0043985]; muscle organ development [GO:0007517]...
chromatin organization [GO:0006325]; histone H4-R3 methylation [GO:0043985]; muscle organ development [GO:0007517]
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GO - Molecular function (MF):
histone binding [GO:0042393]...
histone binding [GO:0042393]
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GO - Cellular component (CC):
cytosol [GO:0005829]; nucleoplasm [GO:0005654]; nucleus [GO:0005634]; plasma membrane [GO:0005886]...
cytosol [GO:0005829]; nucleoplasm [GO:0005654]; nucleus [GO:0005634]; plasma membrane [GO:0005886]
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