>gi|21450846 megakaryocyte-associated tyrosine kinase isoform a [Homo sapiens] MAGRGSLVSWRAFHGCDSAEELPRVSPRFLRAWHPPPVSARMPTRRWAPG TQCITKCEHTRPKPGELAFRKGDVVTILEACENKSWYRVKHHTSGQEGLL AAGALREREALSADPKLSLMPWFHGKISGQEAVQQLQPPEDGLFLVRESA RHPGDYVLCVSFGRDVIHYRVLHRDGHLTIDEAVFFCNLMDMVEHYSKDK GAICTKLVRPKRKHGTKSAEEELARAGWLLNLQHLTLGAQIGEGEFGAVL QGEYLGQKVAVKNIKCDVTAQAFLDETAVMTKMQHENLVRLLGVILHQGL YIVMEHVSKGNLVNFLRTRGRALVNTAQLLQFSLHVAEGMEYLESKKLVH RDLAARNILVSEDLVAKVSDFGLAKAERKGLDSSRLPVKWTAPEALKHGK FTSKSDVWSFGVLLWEVFSYGRAPYPKMSLKEVSEAVEKGYRMEPPEGCP GPVHVLMSSCWEAEPARRPPFRKLAEKLARELRSAGAPASVSGQDADGST SPRSQEP