>3zkm_H mol:protein length:221 FAB HEAVY CHAINQVQLKESGPVLVAPSQSLFISCTVSGFSLTRYGVHWVRQSPGKGLEWLGVIWAGGTTNYNSAFMSRLTISKDNSKSQVFLKMNSLQTDDTAIYYCVKAYRNAMDYWGQGTSVTVSSAKTTAPSVYPLAPVCGDTSGSSVTLGCLVKGYFPEPVTLTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVTSSTWPSQSITCNVAHPASSTKVDKKIEPRGPTIK