function:Plays a role in constitutive splicing and can modulate the selection of alternative splice sites.,PTM:Extensively phosphorylated on serine residues in the RS domain.,similarity:Belongs to the splicing factor SR family.,similarity:Contains 2 RRM (RNA recognition motif) domains.,subunit:Found in a pre-mRNA splicing complex with SFRS4, SFRS5, SNRNP70, SNRPA1, SRRM1 and SRRM2.,
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Function:
spliceosome assembly, RNA splicing, via transesterification reactions, RNA splicing, via transesterification reactions with bulged adenosine as nucleophile, nuclear mRNA splicing, via spliceosome, mRNA splice site selection, RNA processing, mRNA processing, RNA splicing, mRNA metabolic process, ribonucleoprotein complex biogenesis,ribonucleoprotein complex assembly, cellular macromolecular complex subunit organization, cellular macromolecular complex assembly, macromolecular complex subunit organization, regulation of cell cycle, macromolecular complex assembly,