WW domain-binding protein 4 (WBP4)

Involved in pre-mRNA splicing as a part of the spliceosome (PubMed:9724750, PubMed:19592703, PubMed:28781166). May play a role in cross-intron bridging of U1 and U2 snRNPs from the mammalian A complex (PubMed:9724750).

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