>1f4y_L mol:protein length:210 ANTIBODY S-20-4, FAB FRAGMENT, LIGHT CHAINQAVVTQESALTTSPGETVTLTCRSSTGTVTTSNYANWVQEKPDHLFTGLIGATNNRAAGVPVRFSGSLIGGKAALTITGAQTEDEAIYFCALWYSGHWVFGGGTKLTVLGQPKSSPSVTLFPPSSEELETNKATLVCTITDFYPGVVTVDWKVDGTPVTQGMETTQPSKQSNNKYMASSYLTLTARAWERHSSYSCQVTHEGHTVEKSLS