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Literature summary for 4.1.1.32 extracted from

  • Barns, R.J.; Keech, D.B.
    Sheep kidney phosphoenolpyruvate carboxylase. Purification and properties (1972), Biochim. Biophys. Acta, 276, 284-296.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
ITP stimulates Mn2+-dependent CO2-oxaloacetate exchange Ovis aries

Localization

Localization Comment Organism GeneOntology No. Textmining
mitochondrion
-
Ovis aries 5739
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
50000
-
gel filtration Ovis aries

Organism

Organism UniProt Comment Textmining
Ovis aries
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Ovis aries

Source Tissue

Source Tissue Comment Organism Textmining
kidney cortex Ovis aries
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
4.75
-
-
Ovis aries

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
GTP + oxaloacetate
-
Ovis aries GDP + phosphoenolpyruvate + CO2
-
?
additional information Mn2+-dependent CO2-oxaloacetate exchange in absence of added nucleotide Ovis aries ?
-
?

Subunits

Subunits Comment Organism
monomer 1 * 71000-72000, SDS-PAGE Ovis aries

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.5
-
carboxylation, with Mn2+ Ovis aries
7.5
-
carboxylation, with Mg2+ Ovis aries

Cofactor

Cofactor Comment Organism Structure
IDP stimulates Mn2+-dependent CO2-oxaloacetate exchange Ovis aries