>6vi1_B mol:protein length:243 Synthetic Fab4 heavy chainECEISEVQLVESGGGLVQPGGSLRLSCAASGFNFYSSYIHWVRQAPGKGLEWVASISPYSGSTSYADSVKGRFTISADTSKNTAYLQMNSLRAEDTAVYYCARYSWPWVSYKPYYGLHFSAMDYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHT