>5dfv_E mol:protein length:222 FAB HEAVY CHAIN QVQLQQSGPELVKPGASVKISCKASGYTFSSSWMNWVKQRPGKGLEWIGRIYSGDGDAI YNGKFKGKATLTADKSSSTAYMQLSSLTSEDSAVYFCAREGKTGDLLLRSWGQGSALTV SSAKTTAPSVYPLVPVCGGTTGSSVTLGCLVKGYFPEPVTLTWNSGSLSSGVHTFPALL QSGLYTLSSSVTVTSNTWPSQTITCNVAHPASSTKVDKKIEPRVP