>4bz2_H mol:protein length:221 FAB 2D73 HEAVY CHAIN
EVQLQQSGPELVKPGASVKISCKASGYTFTDYNMHWVKQSHGKSLEWVGYTYPYNGGIGYNQKFKSKATLTLDNSSRTAYMELRSLTSEDSAVYYCVRRGYRYDGAHFDYWGQGTTLTVSSAKTTAPSVYPLAPVCGGTTGSSVTLGCLVKGYFPEPVTLTWNSGSLSAGVHTFPAVLQSDLYTLSSSVTVTSSTWPSQTITCNVAHPASSTKVDKKIEPR