>gi|42544123 splicing factor 1 isoform 3 [Homo sapiens] MATGANATPLDFPSKKRKRSRWNQDTMEQKTVIPGMPTVIPPGLTREQER AYIVQLQIEDLTRKLRTGDLGIPPNPEDRSPSPEPIYNSEGKRLNTREFR TRKKLEEERHNLITEMVALNPDFKPPADYKPPATRVSDKVMIPQDEYPEI NFVGLLIGPRGNTLKNIEKECNAKIMIRGKGSVKEGKVGRKDGQMLPGED EPLHALVTANTMENVKKAVEQIRNILKQGIETPEDQNDLRKMQLRELARL NGTLREDDNRILRPWQSSETRSITNTTVCTKCGGAGHIASDCKFQRPGDP QSAQDKARMDKEYLSLMAELGEAPVPASVGSTSGPATTPLASAPRPAAPA NNPPPPSLMSTTQSRPPWMNSGPSESRPYHGMHGGGPGGPGGGPHSFPHP LPSLTGGHGGHPMQHNPNGPPPPWMQPPPPPMNQGPHPPGHHGPPPMDQY LGSTPVGSGVYRLHQGKGMMPPPPMGMMPPPPPPPSGQPPPPPSGPLPPW QQQQQQPPPPPPPSSSMASSTPLPWQQRSLPAAAMARAMRVRTFRAHW