>1xcq_B mol:protein length:218 Monoclonal antibody 19D9D6 Heavy chainQIQLVQSGPELKKPGETVKISCKASGYTFTDFSMHWVNQAPGKGLNWMGWVNTETGEPTYADDFKGRFAFSLETSASTAYLQINSLKNEDTATYFCARFLLRQYFDVWGAGTTVTVSSAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSTWPSETVTCNVAHPASSTKVDKKIVPR