>7y6n_H mol:protein length:264 Ab803 heavy chainMDPKGSLSWRILLFLSLAFELSYGLEVQLVESGGGLVQPGRSLRVSCAASGFTFDDYAMHWVRQTPRKGLEWVAGISRNSAAIAYADSVKGRFTISRDNAKNSVFLQMNGLRADDTALYYCVKSPRYGWGSPDYSFDFWGRGTLVTVSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCENLYFQGHHHHHH