Substrate deformation in a hypoxanthine-guanine phosphoribosyltransferase ternary complex: the structural basis for catalysis.
Heroux, A., White, E.L., Ross, L.J., Kuzin, A.P., Borhani, D.W.(2000) Structure 8: 1309-1318
- PubMed: 11188695 
- DOI: https://doi.org/10.1016/s0969-2126(00)00546-3
- Primary Citation of Related Structures:  
1FSG - PubMed Abstract: 
Hypoxanthine-guanine phosphoribosyltransferases (HGPRTs) are well-recognized antiparasitic drug targets. HGPRT is also a paradigmatic representative of the phosphoribosyltransferase family of enzymes, which includes other important biosynthetic and salvage enzymes and drug targets. To better understand the reaction mechanism of this enzyme, we have crystallized HGPRT from the apicomplexan protozoan Toxoplasma gondii as a ternary complex with a substrate and a substrate analog.
Organizational Affiliation: 
Drug Discovery Division, Southern Research Institute, Birmingham, Alabama 35205, USA.