Protein
U2 snRNP component HSH155
Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Function
Contacts pre-mRNA on both sides of the branch site early in spliceosome assembly.
Similarity
Belongs to the SF3B1 family.
Sequence
MSHPIQFVNANNSDKSHQLGGQYSIPQDLRENLQKEAARIGENEKDVLQEKMETRTVQNREDSYHKRRFDMKFEPDSDTQTVTSSENTQDAVVPRKRKSRWDVKGYEPPDESSTAVKENSDSALVNVEGIHDLMFFKPSDHKYFADVISKKPIDELNKDEKKERTLSMLLLKIKNGNTASRRTSMRILTDKAVTFGPEMIFNRLLPILLDRSLEDQERHLMIKTIDRVLYQLGDLTKPYVHKILVVAAPLLIDEDPMVRSTGQEIITNLSTVAGLKTILTVMRPDIENEDEYVRNVTSRAAAVVAKALGVNQLLPFINAACHSRKSWKARHTGIKIVQQIGILLGIGVLNHLTGLMSCIKDCLMDDHVPVRIVTAHTLSTLAENSYPYGIEVFNVVLEPLWKGIRSHRGKVLSSFLKAVGSMIPLMDPEYAGYYTTEAMRIIRREFDSPDDEMKKTILLVLQKCSAVESITPKFLREEIAPEFFQKFWVRRVALDRPLNKVVTYTTVTLAKKLGCSYTIDKLLTPLRDEAEPFRTMAVHAVTRTVNLLGTADLDERLETRLIDALLIAFQEQTNSDSIIFKGFGAVTVSLDIRMKPFLAPIVSTILNHLKHKTPLVRQHAADLCAILIPVIKNCHEFEMLNKLNIILYESLGEVYPEVLGSIINAMYCITSVMDLDKLQPPINQILPTLTPILRNKHRKVEVNTIKFVGLIGKLAPTYAPPKEWMRICFELLELLKSTNKEIRRSANATFGFIAEAIGPHDVLVALLNNLKVQERQLRVCTAVAIGIVAKVCGPYNVLPVIMNEYTTPETNVQNGVLKAMSFMFEYIGNMSKDYIYFITPLLEDALTDRDLVHRQTASNVITHLALNCSGTGHEDAFIHLMNLLIPNIFETSPHAIMRILEGLEALSQALGPGLFMNYIWAGLFHPAKNVRKAFWRVYNNMYVMYQDAMVPFYPVTPDNNEEYIEELDLVL