>1F4X_1|Chain A[auth L]|ANTIBODY S-20-4, FAB FRAGMENT, LIGHT CHAIN|Mus musculus (10090) QAVVTQESALTTSPGETVTLTCRSSTGTVTTSNYANWVQEKPDHLFTGLIGATNNRAAGVPVRFSGSLIGGKAALTITGAQTEDEAIYFCALWYSGHWVFGGGTKLTVLGQPKSSPSVTLFPPSSEELETNKATLVCTITDFYPGVVTVDWKVDGTPVTQGMETTNPSKQSNNKYMASSYLTLTARAWERHSSYSCQVTHEGHTVEKSLS >1F4X_2|Chain B[auth H]|ANTIBODY S-20-4, FAB FRAGMENT, HEAVY CHAIN|Mus musculus (10090) EVQLEESGGGLVTPGGSLRLSCAASGYVFSTYDMSWVRQTPEKRLEWVAFISSGGGRTSYPDTVKGRFTISRDDAKNTLYLQMSSLQSEDTAMYYCTRHFYAVLDYWGRGTTLTVSSAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSTWPSETVTCNVAHPASSTKVDKKIVP