Splicing factor YJU2
UniProtKB accession: P28320
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Go to UniProtKB: P28320
UniProtKB description: Part of the spliceosome which catalyzes two sequential transesterification reactions, first the excision of the non-coding intron from pre-mRNA and then the ligation of the coding exons to form the mature mRNA (PubMed:19935684, PubMed:27445308, PubMed:27459055, PubMed:29146871). Plays a role (via N-terminus) in stabilizing the structure of the spliceosome catalytic core and docking of the branch helix into the active site, producing 5'-exon and lariat intron-3'-intermediates (PubMed:23438600, PubMed:27459055). Further stabilizes spliceosome conformation for 3'-splice site docking (via C-terminus) promoting exon ligation (PubMed:29146871).
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