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Literature summary extracted from

  • Kuroda, A.; Kornberg, A.
    Polyphosphate kinase as a nucleoside diphosphate kinase in Escherichia coli and Pseudomonas aeruginosa (1997), Proc. Natl. Acad. Sci. USA, 94, 439-442.
    View publication on PubMedView publication on EuropePMC

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.7.4.1 (NH4)2SO4 40 mM, approx. 14fold activation of ATP synthesis Escherichia coli

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.7.4.1 0.25
-
ADP pH 7.2, 37°C Escherichia coli
2.7.4.1 0.63
-
GDP pH 7.2, 37°C Escherichia coli

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
2.7.4.1 membrane crude membrane fractions contain virtually all the polyphosphate kinase activity catalyzing the synthesis of ATP from ADP and polyphosphate Escherichia coli 16020
-

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.7.4.1 CDP + (phosphate)n+1 Escherichia coli
-
CTP + (phosphate)n
-
ir
2.7.4.1 CDP + (phosphate)n+1 Pseudomonas aeruginosa
-
CTP + (phosphate)n
-
ir
2.7.4.1 dADP + (phosphate)n+1 Escherichia coli
-
dATP + (phosphate)n
-
ir
2.7.4.1 dCDP + (phosphate)n+1 Escherichia coli
-
dCTP + (phosphate)n
-
ir
2.7.4.1 dGDP + (phosphate)n+1 Escherichia coli
-
dGTP + (phosphate)n
-
ir
2.7.4.1 GDP + (phosphate)n+1 Escherichia coli efficiency of NDP substrates in descending order: ADP, dADP, dGDP, GDP, TDP, UDP, CDP, dCDP GTP + (phosphate)n
-
ir
2.7.4.1 GDP + (phosphate)n+1 Pseudomonas aeruginosa 10times higher activity than Escherichia coli polyphosphate kinase GTP + (phosphate)n
-
ir
2.7.4.1 TDP + (phosphate)n+1 Escherichia coli
-
TTP + (phosphate)n
-
ir
2.7.4.1 UDP + (phosphate)n+1 Escherichia coli
-
UTP + (phosphate)n
-
ir
2.7.4.1 UDP + (phosphate)n+1 Pseudomonas aeruginosa
-
UTP + (phosphate)n
-
ir

Organism

EC Number Organism UniProt Comment Textmining
2.7.4.1 Escherichia coli
-
-
-
2.7.4.1 Pseudomonas aeruginosa
-
-
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.7.4.1 ADP + (phosphate)n+1
-
Escherichia coli ATP + (phosphate)n
-
r
2.7.4.1 ADP + (phosphate)n+1
-
Pseudomonas aeruginosa ATP + (phosphate)n
-
r
2.7.4.1 CDP + (phosphate)n+1
-
Escherichia coli CTP + (phosphate)n
-
ir
2.7.4.1 CDP + (phosphate)n+1
-
Pseudomonas aeruginosa CTP + (phosphate)n
-
ir
2.7.4.1 dADP + (phosphate)n+1
-
Escherichia coli dATP + (phosphate)n
-
ir
2.7.4.1 dCDP + (phosphate)n+1
-
Escherichia coli dCTP + (phosphate)n
-
ir
2.7.4.1 dGDP + (phosphate)n+1
-
Escherichia coli dGTP + (phosphate)n
-
ir
2.7.4.1 GDP + (phosphate)n+1 efficiency of NDP substrates in descending order: ADP, dADP, dGDP, GDP, TDP, UDP, CDP, dCDP Escherichia coli GTP + (phosphate)n
-
ir
2.7.4.1 GDP + (phosphate)n+1 10times higher activity than Escherichia coli polyphosphate kinase Pseudomonas aeruginosa GTP + (phosphate)n
-
ir
2.7.4.1 GDP + (phosphate)n+2 diphosphate group transfer Escherichia coli guanosine 5'-tetraphosphate + (phosphate)n
-
ir
2.7.4.1 TDP + (phosphate)n+1
-
Escherichia coli TTP + (phosphate)n
-
ir
2.7.4.1 UDP + (phosphate)n+1
-
Escherichia coli UTP + (phosphate)n
-
ir
2.7.4.1 UDP + (phosphate)n+1
-
Pseudomonas aeruginosa UTP + (phosphate)n
-
ir

Turnover Number [1/s]

EC Number Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
2.7.4.1 0.0883
-
GDP pH 7.2, 37°C Escherichia coli
2.7.4.1 0.117
-
UDP pH 7.2, 37°C Escherichia coli
2.7.4.1 0.167
-
CDP pH 7.2, 37°C Escherichia coli
2.7.4.1 10.5
-
ADP pH 7.2, 37°C Escherichia coli