>9nrc_C mol:protein length:237 REGN8023 Fab heavy chainEVQLVESGGGLVKPGGSLRISCAASGFIFVDYAMHWVRQAPGKGLEWVSGISWNSGSIGYADSVKGRFTISRDNAKKSLYLQMSGLRPEDTALYYCVKSGFYYVRSYFDNWGQGTLVTVSSASTKGPSVFPLAPCSRSTSESTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTKTYTCNVDHKPSNTKVDKRVESKYGPPCPPCPAPEFLG