>4zxb_B mol:protein length:219 Fab 83-7 light chain DIVMSQSPSSLVVSVGEKVTMSCKSSQSLLYSSNQKNFLAWYQQKPGQSPKLLIYWAST RESGVPDRFTGSGSGTDFTLTISSVKAEDLAVYYCQQYFRYRTFGGGTKLEIKRADAAP TVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDST YSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRNEC