Article
The crystal structure of human hypoxanthine-guanine phosphoribosyltransferase with bound GMP.
Cell - 29 Jul 1994
Eads J C, Scapin G, Xu Y, Grubmeyer C, Sacchettini J C
Abstract excerpt
The crystal structure of HGPRTase with bound GMP has been determined and refined to 2.5 A resolution. The enzyme has a core alpha/beta structure resembling the nucleotide-binding fold of dehydrogenases, and a second lobe composed of residues from the amino and carboxy termini. The GMP molecule binds in an anti conformation in a solvent-exposed cleft of the enzyme. Lys-165, which forms a hydrogen bond to O6 of...
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