The Regulatory Phosphorylation of C4 Phosphoenolpyruvate Carboxylase: a Cardinal Event in C4 Photosynthesis

  • Jean Vidal
  • Jean-Noël Pierre
  • Cristina Echevarria
Part of the Plant Gene Research book series (GENE)


Phosphoenolpyruvate (PEP) carboxylase (EC, PEPC) is a widely distributed enzyme in plant tissues (embryophytes), green algae (chlorobionts) and microorganisms, but it is not present in animals (O’Leary, 1982; Andreo et al., 1987). It catalyses the exergonic β-carboxylation of PEP (ΔG = −7kcal/mol) in the presence of a bivalent cation, generally Mg2+:

PEP + HCO 3 → OAA + Pi


Calvin Cycle Phosphoenolpyruvate Carboxylase Maize Leave PEPC Gene Regulatory Phosphorylation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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© Springer-Verlag/Wien 1996

Authors and Affiliations

  • Jean Vidal
  • Jean-Noël Pierre
  • Cristina Echevarria

There are no affiliations available

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