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U2AF2
Splicing factor U2AF 65 kDa subunit is a protein that in humans is encoded by the ''U2AF2'' gene.
== Function ==
U2 auxiliary factor (U2AF), composed of a large and a small subunit, is a non-snRNP protein required for the binding of U2 snRNP to the pre-mRNA branch site. This gene encodes the U2AF large subunit, which contains a sequence-specific RNA-binding region with 3 RNA recognition motifs and an Arg/Ser-rich domain necessary for splicing. The large subunit binds to the polypyrimidine tract of introns early during spliceosome assembly. Multiple alternatively spliced transcript variants have been detected for this gene, but the full-length natures of only two have been determined to date.〔(【引用サイトリンク】 url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=11338 )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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