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Literature summary for 3.6.1.1 extracted from

  • Lee, H.S.; Kim, Y.J.; Lee, J.H.; Kang, S.G.
    Identification and characterization of inorganic pyrophosphatase and PAP phosphatase from Thermococcus onnurineus NA1 (2009), J. Bacteriol., 191, 3415-3419.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli Rosetta(DE3)pLysS cells Thermococcus onnurineus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0188
-
diphosphate pH and temperature not specified in the publication Thermococcus onnurineus

Metals/Ions

Metals/Ions Comment Organism Structure
Co2+ about 15% activity in the presence of 50 mM Co2+ compared to 50 mM Mg2+ Thermococcus onnurineus
Mg2+ maximal activity in the presence of 0.2 mM Mg2+ Thermococcus onnurineus
additional information not affected by 50 mM Mn2+, Ni2+, Ca2+, Zn2+, and Cu2+ Thermococcus onnurineus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
37000
-
x * 37000, SDS-PAGE Thermococcus onnurineus

Organism

Organism UniProt Comment Textmining
Thermococcus onnurineus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
Talon metal affinity chromatography Thermococcus onnurineus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3'-AMP + H2O 4% activity compared to diphosphate Thermococcus onnurineus adenosine + phosphate
-
?
ADP + H2O 5% activity compared to diphosphate Thermococcus onnurineus AMP + phosphate
-
?
ATP + H2O 4% activity compared to diphosphate Thermococcus onnurineus ADP + phosphate
-
?
diphosphate + H2O 100% activity Thermococcus onnurineus phosphate + phosphate
-
?
additional information no activity with PAP, PAPS, 3'-CMP, fructose 1,6-bisphosphate, and D-myo-inositol 1-monophosphate Thermococcus onnurineus ?
-
?
polyphosphate + H2O less than 1% activity compared to diphosphate Thermococcus onnurineus ?
-
?

Subunits

Subunits Comment Organism
? x * 37000, SDS-PAGE Thermococcus onnurineus

Synonyms

Synonyms Comment Organism
inorganic pyrophosphatase
-
Thermococcus onnurineus

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
2.1
-
diphosphate pH and temperature not specified in the publication Thermococcus onnurineus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
9 9.5
-
Thermococcus onnurineus