>3rdx_A mol:protein length:153 StreptavidinMSGSHHHHHHSSGIEGRGRLIKHMTAEAGITGTWYNQLGSTLIVTAGADGALTGTYESAVGNAEGSYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSASTWSGQYVGGAEARINTQVLTTSGTTEANAWKSTLVGHDTFTKVKPSAASI