Literature summary for 2.7.3.9 extracted from

Weigel, N.; Kukuruzinska, M.A.; Nakazawa, A.; Waygood, E.B.; Roseman, S.
Sugar transport by the bacterial phosphotransferase system. Phosphoryl transfer reactions catalyzed by enzyme I of Salmonella typhimurium (1982), J. Biol. Chem., 257, 14477-14491.

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KM Value [mM]

KM Value [mM]	KM Value Maximum [mM]	Substrate	Comment	Organism	Structure
additional information	-	additional information	kinetics of partial reactions	Salmonella enterica subsp. enterica serovar Typhimurium

Organism

Organism	UniProt	Comment	Textmining
Salmonella enterica subsp. enterica serovar Typhimurium	-	-	-

Reaction

Reaction	Comment	Organism	Reaction ID
phosphoenolpyruvate + protein histidine = pyruvate + protein Npi-phospho-L-histidine	in a first reaction step phosphate is transferred to the N-3 position of the imidazole ring of histidine	Salmonella enterica subsp. enterica serovar Typhimurium	a

Substrates and Products (Substrate)

Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
phosphoenolpyruvate + histidine-containing protein	in a first reaction step phosphate is transferred to the N-3 position of the imidazole ring of histidine	Salmonella enterica subsp. enterica serovar Typhimurium	pyruvate + phosphorylated histidine-containing protein	i.e. phospho-HPr	r
pyruvate + phosphorylated histidine-containing protein	-	Salmonella enterica subsp. enterica serovar Typhimurium	phosphoenolpyruvate + histidine-containing protein	-	r

pH Optimum

pH Optimum Minimum	pH Optimum Maximum	Comment	Organism
7	-	-	Salmonella enterica subsp. enterica serovar Typhimurium

pH Stability

pH Stability	pH Stability Maximum	Comment	Organism
additional information	-	effect of pH on hydrolysis of phospho-enzyme I complex	Salmonella enterica subsp. enterica serovar Typhimurium

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Release 2023.1 (January 2023)