>6cwt_B mol:protein length:216 Fab e21 light chain
AELVMTQTPSSTSAAVGGTVTINCQASQSIGNALAWYQQKPGQPPKLLISAGSNLASGVPSRFRGSGSGTEYTLTISDVQREDAATYYCLGTYSAIDRAFGAGTNVEIERTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC