>4bz1_H mol:protein length:217 FAB 3E31 HEAVY CHAIN
QVQLQQPGAEFVKPGASVKMSCKASGYTFTSYWINWVKQRPGQGLEWIGDIYPGRGTTNYNENFKSKATLTLDTSSSTAYMQLSSLTSEDSAVYYCSRGSKGAMDYWGQGTSVTVSSAKTTPPSVYPLAPGTAALKSSMVTLGCLVKGYFPEPVTLTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVTSSTWPSQTITCNVAHPASSTKVDKKIVPR