PCK1 phosphorylates OA to yield PEP

Stable Identifier
R-HSA-70241
Type
Reaction [transition]
Species
Homo sapiens
Compartment
Synonyms
GTP + oxaloacetate => CO2 + GDP + phosphoenolpyruvate
ReviewStatus
5/5
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The transfer of a high-energy phosphate bond from GTP to oxaloacetate (OA), to form phosphoenolpyruvate (PEP), GDP, and CO2, is catalyzed by cytosolic phosphoenolpyruvate carboxykinase PCK1 (Dunten et al. 2002). This reaction is irreversible under physiological conditions.
Literature References
PubMed ID Title Journal Year
11851336 Crystal structure of human cytosolic phosphoenolpyruvate carboxykinase reveals a new GTP-binding site

Michel, H, Wertheimer, SJ, Belunis, C, Crowther, R, Levin, W, Hollfelder, K, Dunten, P, Ramsey, GB, Kammlott, U, Swain, A, Weber, D

J Mol Biol 2002
Participants
Participates
Catalyst Activity

phosphoenolpyruvate carboxykinase (GTP) activity of PCK1 [cytosol]

Orthologous Events
Cross References
Rhea
Reviewed
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