>4u1g_B mol:protein length:258 QA1 monoclonal antibody heavy chainMGWSWIFLFLLSGTAGVHSEVQLVESGGGLVKPGGSLKLSCAASGFTFSDFYMYWVRQTPEKRLEWVATISDGDSYIYYPDSVRGRFTISRDNAKNILFLQMSSLKSEDTAMYFCARDGNGKDGGDAMDYWGQGTSVTVSSAKTTAPSVYPLAPVCGDTTGSSVTLGCLVKGYFPEPVTLTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVTSSTWPSQSITCNVAHPASSTKVDKKIEPRGPTIKPCPPCKCPAPNS