phosphoenolpyruvate carboxylase


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phosphoenolpyruvate carboxylase

An enzyme that catalyses a two-step reaction: formation of carboxyphosphate and enolate form of pyruvate, and carboxylation of enolate with the release of phosphate. It replenishes oxaloacetate in the tricarboxylic acid cycle when operating in reverse. Phosphoenolpyruvate carboxylase is the recommended name for EC 4.1.1.31, orthophosphate:oxaloacetate carboxy-lyase (phosphorylating).

Phosphoenolpyruvate carboxylase  has also been used for:
(1) Phosphoenolpyruvate carboxykinase (GTP), EC 4.1.1.32 (GTP:oxaloacetate carboxy-lyase (transphosphorylating));
(2) Phosphoenolpyruvate carboxykinase (pyrophosphate), EC 4.1.1.38 (pyrophosphate:oxaloacetate carboxy-lyase (transphosphorylating)); and
(3) Phosphoenolpyruvate carboxykinase (ATP), EC 4.1.1.49 (ATP:oxaloacetate carboxy-lyase (transphosphorylating)).
References in periodicals archive ?
1985) PURIFICATION AND SOME PROPERTIES OF PHOSPHOENOLPYRUVATE CARBOXYLASE FROM BREVIBACTERIUM-FLAVUM AND ITS ASPARTATE OVERPRODUCING MUTANT, Journal of Biochemistry 97: 1119-1128.
Cytokinin is required to induce the nitrogen-dependent accumulation of mRNAs for phosphoenolpyruvate carboxylase and carbonic anhydrase in detached maize leaves.
2] concentrations in the light and the dark on diurnal malate rhythm and phosphoenolpyruvate carboxylase activities in leaves of Littorella uniflora (L.
ABA modulates the degradation of phosphoenolpyruvate carboxylase kinase in sorghum leaves.
Characterization and functional analysis of phosphoenolpyruvate carboxylase kinase genes in rice.
Induction of the inactivation and degradation of phosphoenolpyruvate carboxylase and ribulose-1,5-bisphosphate carboxylase/oxygenase in maize leaves by freezing and thawing.
Activities of chlorophyllase, phosphoenolpyruvate carboxylase and ribulose-1, 5- bisphosphate carboxylase in the primary leaves of soybean during senescence and drought.
Structure and expression of a sugarcane gene encoding a housekeeping phosphoenolpyruvate carboxylase.
In that growth chamber study, correlations between nodule number, nodule fresh weight (NFW), plant dry weight (PDW), nodule soluble protein content, nodule glutamate synthase activity, and nodule phosphoenolpyruvate carboxylase activity in soybean plants were observed only 17 d after inoculation.
4] species because the rate of photosynthesis depends not only on the individual activities of Rubisco and phosphoenolpyruvate carboxylase (PEPC), but also on the ratio of their activities, which determines the efficiency of the [CO.
Factors such as photorespiration (Rooney, 1988) and phosphoenolpyruvate carboxylase activity in the developing kernels (Willmer and Johnston 1976) may have induced the lower CID values of the kernels.
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