>6yxk_A mol:protein length:223 ACPA 3F3 Fab fragment - heavy chainVQLVQPGAEVMQPGASMKVPCETSGYIFNDYYLHWVRQAPGLGLEWMGWIAPKTGVTKFAQKFQGRVNMTADSSVNTSYLEMTGLTFDDTAVYFCARGTYLPVDESAAFDVWGLGTDVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLFSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPK