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Phosphoryl exchange reaction catalyzed by enzyme I of the bacterial phosphoenolpyruvate: sugar phosphotransferase system. Kinetic characterization. 1980

M H Saier, and M R Schmidt, and P Lin

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D010728 Phosphoenolpyruvate A monocarboxylic acid anion derived from selective deprotonation of the carboxy group of phosphoenolpyruvic acid. It is a metabolic intermediate in GLYCOLYSIS; GLUCONEOGENESIS; and other pathways.
D010731 Phosphoenolpyruvate Sugar Phosphotransferase System The bacterial sugar phosphotransferase system (PTS) that catalyzes the transfer of the phosphoryl group from phosphoenolpyruvate to its sugar substrates (the PTS sugars) concomitant with the translocation of these sugars across the bacterial membrane. The phosphorylation of a given sugar requires four proteins, two general proteins, Enzyme I and HPr and a pair of sugar-specific proteins designated as the Enzyme II complex. The PTS has also been implicated in the induction of synthesis of some catabolic enzyme systems required for the utilization of sugars that are not substrates of the PTS as well as the regulation of the activity of ADENYLYL CYCLASES. EC 2.7.1.-. Phosphoenolpyruvate Hexose Phosphotransferases,Phosphoenolpyruvate-Glycose Phosphotransferase System,Hexose Phosphotransferases, Phosphoenolpyruvate,Phosphoenolpyruvate Glycose Phosphotransferase System,Phosphotransferase System, Phosphoenolpyruvate-Glycose,Phosphotransferases, Phosphoenolpyruvate Hexose,System, Phosphoenolpyruvate-Glycose Phosphotransferase
D011773 Pyruvates Derivatives of PYRUVIC ACID, including its salts and esters.
D002413 Cations, Divalent Positively charged atoms, radicals or groups of atoms with a valence of plus 2, which travel to the cathode or negative pole during electrolysis. Divalent Cations
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
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
D013379 Substrate Specificity A characteristic feature of enzyme activity in relation to the kind of substrate on which the enzyme or catalytic molecule reacts. Specificities, Substrate,Specificity, Substrate,Substrate Specificities
D017852 Phosphotransferases (Nitrogenous Group Acceptor) A group of enzymes that catalyzes the transfer of a phosphate group onto a nitrogenous group acceptor. EC 2.7.3.

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