>3csy_F mol:protein length:217  Fab KZ52 light chain
ELVMTQSPDSLAVSLGERATINCKSSQSVLYSSNNKSYLAWYQQKPGQPPKLLIYWAST
RESGVPDRFSGSGSGTDFTLTISSLQAEDVAVYYCQQYYSAPLTFGGGTKVEIKRTVAA
PSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDS
TYSLSSTLTLSKADYEKHKVYACEVTHQGLRSPVTKSFNR