>6x1u_A mol:protein length:221 SC39-4 Heavy chainQSVEESGGRLVTPGGSLTLTCTVSGFSLSRYNMGWVRQAPGKGLEWIGWIPFRGSLKYATWATGRFTISRTSTTVDLRMTGLTAADTATYFCVRSSDGFDLWGPGTLVTISSSSGQPKAPSVFPLAPCCGDTPSSTVTLGCLVKGYLPEPVTVTWNSGTLTNGVRTFPSVRQSSGLYSLSSVVSVTSSSQPVTCNVAHPATNTKVDKTVAPSTCSHHHHHH