>1A1E_1|Chains A, B|C-SRC TYROSINE KINASE|Homo sapiens (9606) MDSIQAEEWYFGKITRRESERLLLNAENPRGTFLVRESETTKGAYCLSVSDFDNAKGLNVKHYKIRKLDSGGFYITSRTQFNSLQQLVAYYSKHADGLCHRLTTVCP >1A1E_2|Chains C, D|ACE-PHOSPHOTYR-GLU-(3-BUTYLPIPERIDINE)| XYEX