>tr|Q3KR55|Q3KR55_RAT U2 small nuclear RNA auxiliary factor 1 OS=Rattus norvegicus GN=U2af1 MAEYLASIFGTEKDKVNCSFYFKIGACRHGDRCSRLHNKPTFSQTIALLNIYRNPQNSSQ SADGLRCAVSDVEMQEHYDEFFEEVFTEMEEKYGEVEEMNVCDNLGDHLVGNVYVKFRRE EDAEKAVIDLNNRWFNGQPIHAELSPVTDFREACCRQYEMGECTRGGFCNFMHLKPISRE LRRELYGRRRKKHRSRSRSRERRSRSRDRGRGGGGGGGGGGGRERDRRRSRDRERSGRF