PPA1 hydrolyzes pyrophosphate to orthophosphate

Stable Identifier
R-HSA-71732
Type
Reaction [transition]
Species
Homo sapiens
Compartment
Synonyms
pyrophosphate + H2O => 2 orthophosphate [cytosolic]
ReviewStatus
5/5
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Cytosolic PPA1 (pyrophosphatase (inorganic) 1) catalyzes the hydrolysis of pyrophosphate to yield two molecules of orthophosphate. The enzyme, a homodimer, requires Mg++ for activity (Fisher et al. 1974; Pynes and Younathan 1967; Thuiller et al. 1978).
Literature References
PubMed ID Title Journal Year
4130389 Studies on human erythrocyte inorganic pyrophosphatase.

Harris, H, Dorkin, HL, Fisher, RA, Turner, BM

Ann Hum Genet 1974
656444 Purification and kinetic properties of human erythrocyte Mg2+-dependent inorganic pyrophosphatase

Thuillier, L

Biochim Biophys Acta 1978
6022858 Purification and some properties of inorganic pyrophosphatase from human erythrocytes

Younathan, ES, Pynes, GD

J Biol Chem 1967
Participants
Output
Participates
Catalyst Activity

inorganic diphosphatase activity of PPA1 dimer [cytosol]

This event is regulated
Orthologous Events
Cross References
Rhea
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