Carbocyclic analogues of D-ribose-5-phosphate: synthesis and behavior with 5-phosphoribosyl alpha-1-pyrophosphate synthetases. 1996

R J Parry, and M R Burns, and P N Skae, and J C Hoyt, and B Pal
Department of Chemistry, Rice University, Houston, Texas 77251, USA.

The synthesis of cyclopentyl and cyclopentenyl analogues of the alpha-anomer of D-ribose-5-phosphate from D-ribonolactone and D-ribose is described. These analogues, which have the same absolute configuration as D-ribose-5-phosphate, were incubated with PRPP synthetases in an attempt to prepare the corresponding carbocyclic PRPP analogues. The carbocyclic ribose-5-phosphate analogues were found to be inhibitors, rather than substrates, for 5-phosphoribosyl alpha-1-pyrophosphate synthetases of both bacterial and human origin. The inhibitory behaviour of the analogues is described.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D011742 Pyrimidine Nucleotides Pyrimidines with a RIBOSE and phosphate attached that can polymerize to form DNA and RNA. Nucleotides, Pyrimidine
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006863 Hydrogen-Ion Concentration The normality of a solution with respect to HYDROGEN ions; H+. It is related to acidity measurements in most cases by pH pH,Concentration, Hydrogen-Ion,Concentrations, Hydrogen-Ion,Hydrogen Ion Concentration,Hydrogen-Ion Concentrations
D012267 Ribosemonophosphates Ribose substituted in the 1-, 3-, or 5-position by a phosphoric acid moiety.
D012268 Ribose-Phosphate Pyrophosphokinase An enzyme that catalyzes the formation of phosphoribosyl pyrophosphate from ATP and ribose-5-phosphate. EC 2.7.6.1. PRPP Synthetase,Phosphoribosyl Pyrophosphate Synthetase,5-Phospho-alpha-D-Ribose 1-Diphosphate Synthetase,PRibPP Synthetase,Ribosephosphate Pyrophosphokinase,1-Diphosphate Synthetase, 5-Phospho-alpha-D-Ribose,5 Phospho alpha D Ribose 1 Diphosphate Synthetase,Pyrophosphate Synthetase, Phosphoribosyl,Pyrophosphokinase, Ribose-Phosphate,Pyrophosphokinase, Ribosephosphate,Ribose Phosphate Pyrophosphokinase,Synthetase, 5-Phospho-alpha-D-Ribose 1-Diphosphate,Synthetase, PRPP,Synthetase, Phosphoribosyl Pyrophosphate
D012486 Salmonella typhimurium A serotype of Salmonella enterica that is a frequent agent of Salmonella gastroenteritis in humans. It also causes PARATYPHOID FEVER. Salmonella typhimurium LT2
D013237 Stereoisomerism The phenomenon whereby compounds whose molecules have the same number and kind of atoms and the same atomic arrangement, but differ in their spatial relationships. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed) Molecular Stereochemistry,Stereoisomers,Stereochemistry, Molecular,Stereoisomer

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