>gi|219842236 feline sarcoma oncogene isoform 4 [Homo sapiens] MGFSSELCSPQGHGVLQQMQEAELRLLEGMRKWMAQRVKSDREYAGLLHH MSLQDSGGQSRAISPDSPISQTHSQDIEKLKSQYRALARDSAQAKRKYQE ASKDKDRDKAKDKYVRSLWKLFAHHNRYVLGVRAAQLHHQHHHQLLLPGL LRSLQDLHEEMACILKEILQEYLEISSLVQDEVVAIHREMAAAAARIQPE AEYQGFLRQYGSAPDVPPCVTFDESLLEEGEPLEPGELQLNELTVESVQH TLTSVTDELAVATEMVFRRQEMVTQLQQELRNEEENTHPRERVQLLGKRQ VLQEALQGLQVALCSQAKLQAQQELLQTKLEHLGPGEPPPVLLLQDDRHS TSSSEQEREGGRTPTLEILKSHISGIFRPKFSNLYRLEGEGFPSIPLLID HLLSTQQPLTKKSGVVLHRAVPKDKWVLNHEDLVLGEQIGRGNFGEVFSG RLRADNTLVAVKSCRETLPPDLKAKFLQEARILKQYSHPNIVRLIGVCTQ KQPIYIVMELVQGGDFLTFLRTEGARLRVKTLLQMVGDAAAGMEYLESKC CIHRDLAARNCLVTEKNVLKISDFGMSREEADGVYAASGGLRQVPVKWTA PEALNYGRYSSESDVWSFGILLWETFSLGASPYPNLSNQQTREFVEKGGR LPCPELCPDAVFRLMEQCWAYEPGQRPSFSTIYQELQSIRKRHR