Sp-dGDPαS is a regulator of GDP-binding proteins. Sp-dGDPαS is metabolically more stable than GTP[1].
References
[1] Lutz S, et al. Rapid generation of incremental truncation libraries for protein engineering using alpha-phosphothioate nucleotides. Nucleic Acids Res. 2001 Feb 15;29(4):E16. DOI:10.1093/nar/29.4.e16
2'-DEOXYGUANOSINE-5'-O-(1-THIOTRIPHOSPHATE), RP-ISOMER SODIUM SALT Supplier