>6vi1_H mol:protein length:243 Synthetic Fab4 heavy chainECEISEVQLVESGGGLVQPGGSLRLSCAASGFNFYSSYIHWVRQAPGKGLEWVASISPYSGSTSYADSVKGRFTISADTSKNTAYLQMNSLRAEDTAVYYCARYSWPWVSYKPYYGLHFSAMDYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHT