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CRYSTAL STRUCTURE OF LEISHMANIA MEXICANA GLYCEROL-3-PHOSPHATE DEHYDROGENASE IN COMPLEX WITH 2-FLUORO-6-CHLOROPURINECRYSTAL STRUCTURE OF LEISHMANIA MEXICANA GLYCEROL-3-PHOSPHATE DEHYDROGENASE IN COMPLEX WITH 2-FLUORO-6-CHLOROPURINE
Structural highlights
FunctionEvolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMedPathogenic protozoa such as Trypanosome and Leishmania species cause tremendous suffering worldwide. Because of their dependence on glycolysis for energy, the glycolytic enzymes of these organisms, including glycerol-3-phosphate dehydrogenase (GPDH), are considered attractive drug targets. Using the adenine part of NAD as a lead compound, several 2,6-disubstituted purines were synthesized as inhibitors of Leishmania mexicana GPDH (LmGPDH). The electron densities for the inhibitor 2-bromo-6-chloro-purine bound to LmGPDH using a "conventional" wavelength around 1 A displayed a quasisymmetric shape. The anomalous signals from data collected at 1.77 A clearly indicated the positions of the halogen atoms and revealed the multiple binding modes of this inhibitor. Intriguing differences in the observed binding modes of the inhibitor between very similarly prepared crystals illustrate the possibility of crystal-to-crystal variations in protein-ligand complex structures. Anomalous differences of light elements in determining precise binding modes of ligands to glycerol-3-phosphate dehydrogenase.,Choe J, Suresh S, Wisedchaisri G, Kennedy KJ, Gelb MH, Hol WG Chem Biol. 2002 Nov;9(11):1189-97. PMID:12445769[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences |
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