>1rxj_C mol:protein length:121 StreptavidinAGITGTWYNQLGSTFIVTAGADGALTGTYESATSNEIKRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTWSGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKVKP