>1LKL_1|Chain A|HUMAN P56 TYROSINE KINASE|Homo sapiens (9606) EPEPWFFKNLSRKDAERQLLAPGNTHGSFLIRESESTAGSFSLSVRDFDQNQGEVVKHYKIRNLDNGGFYISPRITFPGLHELVRHYTNASDGLCTRLSRPCQT >1LKL_2|Chain B|PHOSPHOTYROSYL PEPTIDE AC-PTYR-GLU-GLU-GLY| XYEEG