FUNCTION: Elongation factor component of the super elongation complex (SEC), a complex required to increase the catalytic rate of RNA polymerase II transcription by suppressing transient pausing by the polymerase at multiple sites along the DNA. Component of the little elongation complex (LEC), a co...
FUNCTION: Elongation factor component of the super elongation complex (SEC), a complex required to increase the catalytic rate of RNA polymerase II transcription by suppressing transient pausing by the polymerase at multiple sites along the DNA. Component of the little elongation complex (LEC), a complex required to regulate small nuclear RNA (snRNA) gene transcription by RNA polymerase II and III (PubMed:22195968). Plays a role in immunoglobulin secretion in plasma cells: directs efficient alternative mRNA processing, influencing both proximal poly(A) site choice and exon skipping, as well as immunoglobulin heavy chain (IgH) alternative processing. Probably acts by regulating histone modifications accompanying transition from membrane-specific to secretory IgH mRNA expression. {ECO:0000269|PubMed:20159561, ECO:0000269|PubMed:20471948, ECO:0000269|PubMed:22195968, ECO:0000269|PubMed:23251033}.
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GO - Biological processes (BP):
positive regulation of transcription elongation from RNA polymerase II promoter [GO:0032968]; snRNA transcription by RNA polymerase II [GO:0042795]; transcription elongation from RNA polymerase II promoter [GO:0006368]...
positive regulation of transcription elongation from RNA polymerase II promoter [GO:0032968]; snRNA transcription by RNA polymerase II [GO:0042795]; transcription elongation from RNA polymerase II promoter [GO:0006368]
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GO - Molecular function (MF):
cis-regulatory region sequence-specific DNA binding [GO:0000987]...
cis-regulatory region sequence-specific DNA binding [GO:0000987]
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GO - Cellular component (CC):
euchromatin [GO:0000791]; nucleoplasm [GO:0005654]; transcription elongation factor complex [GO:0008023]...
euchromatin [GO:0000791]; nucleoplasm [GO:0005654]; transcription elongation factor complex [GO:0008023]
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