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Literature summary extracted from

  • Lee, L.V.; Gerratana, B.; Cleland, W.W.
    Substrate specificity and kinetic mechanism of Escherichia coli ribulokinase (2001), Arch. Biochem. Biophys., 396, 219-224.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.7.1.16 beta,gamma-imidoadenosine 5'-triphosphate competitive inhibition to MgATP2- and uncompetitive to L-ribulose Escherichia coli
2.7.1.16 L-erythrulose competitive inhibition to L-ribulose Escherichia coli

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.7.1.16 0.02
-
ATP 22°C, pH 7.5, L-ribulose Escherichia coli
2.7.1.16 0.027
-
ATP 22°C, pH 7.5, D-ribulose or L-xylulose Escherichia coli
2.7.1.16 0.14
-
L-ribulose 22°C, pH 7.5 Escherichia coli
2.7.1.16 0.3 0.5 ATP 22°C, pH 7.5, D-xylulose, D-ribitol or L-arabitol Escherichia coli
2.7.1.16 0.39
-
D-ribulose 22°C, pH 7.5 Escherichia coli
2.7.1.16 3.4
-
L-xylulose 22°C, pH 7.5 Escherichia coli
2.7.1.16 4
-
L-arabitol 22°C, pH 7.5 Escherichia coli
2.7.1.16 5.5
-
D-ribitol 22°C, pH 7.5 Escherichia coli
2.7.1.16 7
-
ATP 22°C, pH 7.5, without any sugar Escherichia coli
2.7.1.16 16
-
D-xylulose 22°C, pH 7.5 Escherichia coli

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.7.1.16 ATP + D-ribulose Escherichia coli
-
ADP + D-ribulose 5-phosphate
-
?
2.7.1.16 ATP + D-ribulose Escherichia coli bB/r
-
ADP + D-ribulose 5-phosphate
-
?
2.7.1.16 ATP + L-ribulose Escherichia coli
-
ADP + L-ribulose 5-phosphate
-
?
2.7.1.16 ATP + L-ribulose Escherichia coli bB/r
-
ADP + L-ribulose 5-phosphate
-
?

Organism

EC Number Organism UniProt Comment Textmining
2.7.1.16 Escherichia coli
-
mutant araA-2
-
2.7.1.16 Escherichia coli bB/r
-
mutant araA-2
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.7.1.16 ATP + D-ribulose
-
Escherichia coli ADP + D-ribulose 5-phosphate
-
?
2.7.1.16 ATP + D-ribulose
-
Escherichia coli bB/r ADP + D-ribulose 5-phosphate
-
?
2.7.1.16 ATP + L-ribulose
-
Escherichia coli ADP + L-ribulose 5-phosphate
-
?
2.7.1.16 ATP + L-ribulose
-
Escherichia coli bB/r ADP + L-ribulose 5-phosphate
-
?
2.7.1.16 D-ribitol + ATP
-
Escherichia coli D-ribitol 5-phosphate + ADP
-
?
2.7.1.16 D-xylulose + ATP
-
Escherichia coli D-xylose 5-phosphate + ADP
-
?
2.7.1.16 D-xylulose + ATP
-
Escherichia coli bB/r D-xylose 5-phosphate + ADP
-
?
2.7.1.16 L-arabitol + ATP
-
Escherichia coli L-arabitol 5-phosphate + ADP
-
?
2.7.1.16 L-arabitol + ATP
-
Escherichia coli bB/r L-arabitol 5-phosphate + ADP
-
?
2.7.1.16 L-xylulose + ATP
-
Escherichia coli L-xylose 5-phosphate + ADP
-
?
2.7.1.16 L-xylulose + ATP
-
Escherichia coli bB/r L-xylose 5-phosphate + ADP
-
?

Turnover Number [1/s]

EC Number Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
2.7.1.16 0.84
-
ATP 22°C, pH 7.5, without any sugar Escherichia coli
2.7.1.16 33
-
D-xylulose 22°C, pH 7.5 Escherichia coli
2.7.1.16 64
-
L-arabitol 22°C, pH 7.5 Escherichia coli
2.7.1.16 70
-
L-xylulose 22°C, pH 7.5 Escherichia coli
2.7.1.16 74
-
D-ribulose 22°C, pH 7.5 Escherichia coli
2.7.1.16 80
-
L-ribulose 22°C, pH 7.5 Escherichia coli
2.7.1.16 109
-
D-ribitol 22°C, pH 7.5 Escherichia coli