>4zxb_A mol:protein length:219 Fab 83-7 heavy chainQVQLKESGPGLVAPSQSLSITCTVSGFPLTAYGVNWVRQPPGKGLEWLGMIWGDGNTDYNSALKSRLSISKDNSKSQVFLKMNSLQTDDTARYYCARDPYGSKPMDYWGQGTSVTVSSAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSTWPSETVTCNVAHPASSTKVDKKIVPRD