>2MRK_1|Chain A|Tyrosine-protein kinase Fyn|Homo sapiens (9606) WYFGKLGRKDAERQLLSFGNPRGTFLIRESETTKGAYSLSIRDWDDMKGDHVKHYKIRKLDNGGYYITTRAQFETLQQLVQHYSERAAGLCCRLVVPCHK >2MRK_2|Chain B|C-terminal Tyrosine-protein kinase Fyn|Homo Sapiens (9606) EPQYQPGENL