>3hzv_B mol:protein length:226 S73-2 Fab (IgG1k) heavy chainEVKLVESGGGLVQSGGSLRLSCATSGFTFTDYYMSWVRQPPGKALEWLAFIRNKAKGYTTEYSSSVKGRFTISRDNSQSFLYLQMNTLRAEDSATYYCARDINPGSDGYYDALDYWGQGTSVTVSRAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSTWPSETVTCNVAHPASSTKVDKKIVPR