>6dfg_G mol:protein length:233 mature BG18 fragment antigen binding heavy chainQVQLRESGPGLVKPSETLSLSCTVSNDSRPSDHSWTWVRQSPGKALEWIGDIHYNGATTYNPSLRSRVRIELDQSIPRFSLKMTSMTAADTGMYYCARNAIRIYGVVALGEWFHYGMDVWGQGTAVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSC