Literature summary for 2.7.1.15 extracted from

Maj, M.C.; Gupta, R.S.
The effect of inorganic phosphate on the activity of bacterial ribokinase (2001), J. Protein Chem., 20, 139-144.

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Inhibitors

Inhibitors	Comment	Organism	Structure
ATP	inhibition above 5 mM	Escherichia coli
Mg2+	above 2.5 mM: gradual inhibition	Escherichia coli

KM Value [mM]

KM Value [mM]	KM Value Maximum [mM]	Substrate	Comment	Organism	Structure
0.11	-	D-ribose	37°C, pH 7.4, 20 mM phosphate	Escherichia coli
0.18	-	D-ribose	37°C, pH 7.4	Escherichia coli
0.21	-	D-ribose	37°C, pH 6.2, 20 mM phosphate	Escherichia coli
0.22	-	D-ribose	37°C, pH 6.2, 20 mM arsenate	Escherichia coli
0.23	-	D-ribose	37°C, pH 6.2, 5 mM phosphate	Escherichia coli
0.26	-	D-ribose	37°C, pH 6.2, 5 mM arsenate	Escherichia coli
0.27	-	D-ribose	37°C, pH 6.2, 1 mM phosphate	Escherichia coli
0.32	-	D-ribose	37°C, pH 6.2, 1 mM arsenate	Escherichia coli
0.33	-	D-ribose	37°C, pH 6.2, 20 mM vanadate	Escherichia coli
0.43	-	D-ribose	37°C, pH 6.2, 0.5 mM phosphate or 5 mM vanadate	Escherichia coli
0.46	-	D-ribose	37°C, pH 6.2, 1 mM vanadate	Escherichia coli
0.48	-	D-ribose	37°C, pH 6.2, 0.5 mM arsenate	Escherichia coli
0.65	-	D-ribose	37°C, pH 6.2	Escherichia coli

Metals/Ions

Metals/Ions	Comment	Organism	Structure
Mg2+	optimum concentration at pH 6.2 of free Mg2+ is 2.5 mM	Escherichia coli

Organism

Organism	UniProt	Comment	Textmining
Escherichia coli	-	-	-

Substrates and Products (Substrate)

Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
ATP + D-ribose	-	Escherichia coli	ADP + D-ribose 5-phosphate	-	?

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Release 2023.1 (January 2023)