>8t7f_K mol:protein length:237 S1 variant of Fab F1 heavy chainEVQLVESGGGLVQPGGSLRLSCAASGFDSGAYLRHWVRQAPGKGLEWVASIYPSYGYTSYADSVKGRFTISADTSKNTAYLQMNSLRAEDTAVYYCARSAASYYGYWHWYHFSPGMDYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHT