>6bzu_A mol:protein length:223 19B3 Heavy ChainEVQLSESGPSLVKPSQTLSLTCSVTGDSITSGYWNWIRKFPGNKLEYMGYISYSGGNYYNPSLRSRISITRDTSKNHYYLQLNSVTTEDTATYYCARLSDSLYAMDCWGQGTSVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCGS