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Literature summary for 3.6.1.1 extracted from

  • Meyer, W.; Moll, R.; Kath, T.; Schäfer, G.
    Purification, cloning, and sequencing of archaebacterial pyrophosphatase from the extreme thermoacidophile Sulfolobus acidocaldarius (1995), Arch. Biochem. Biophys., 319, 149-156.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
-
Sulfolobus acidocaldarius

Crystallization (Commentary)

Crystallization (Comment) Organism
strucutural model based on structure of Thermus thermophilus enzyme Sulfolobus acidocaldarius

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Sulfolobus acidocaldarius 5829
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
17000
-
4 * 17000, SDS-PAGE, 4 * 19365, calculated Sulfolobus acidocaldarius
19365
-
4 * 17000, SDS-PAGE, 4 * 19365, calculated Sulfolobus acidocaldarius
71000
-
gel filtration Sulfolobus acidocaldarius

Organism

Organism UniProt Comment Textmining
Sulfolobus acidocaldarius
-
-
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
672.2
-
pH 7.0, 70°C Sulfolobus acidocaldarius

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
diphosphate + H2O
-
Sulfolobus acidocaldarius 2 phosphate
-
?
additional information enzyme is specific for diphosphate and does not cleave nucleotide-polyphosphates Sulfolobus acidocaldarius ?
-
?

Subunits

Subunits Comment Organism
tetramer 4 * 17000, SDS-PAGE, 4 * 19365, calculated Sulfolobus acidocaldarius

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
75
-
-
Sulfolobus acidocaldarius

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
80
-
70% of maximum activity, rapid decline in activity above Sulfolobus acidocaldarius

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6 7 broad Sulfolobus acidocaldarius