>9r2e_H mol:protein length:244 ARGX-121 Fab fragment heavy chainMGWSCIILFLVATATGVHSEVQLLESGGGLVQPGGSLRLSCAASGFTSSNYLMSWVRQAPGKGLEWVSSIYHYGHNAYYADSVKGRFTISRDNSKNTLYLQMNSLRAEDTAVYYCAKVDSAYDFGSWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTH