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The annotation and conditions in this rule are derived from the following entries: O27026 (CAPPA_METTH), Q97WG4 (CAPPA_SULSO), Q4JCJ1 (CAPPA_SULAC), Q8XLE8 (CAPPA_CLOPE)

If a protein meets these conditions... i

Common conditions

... then these annotations are applied i

Protein namei

  • Recommended name:
    Phosphoenolpyruvate carboxylase (EC:
    Short name:
    Short name:

Gene namei

  • Name:ppcA


Subunit structurei

  • Homotetramer.

Sequence similaritiesi


  • Catalyzes the irreversible beta-carboxylation of phosphoenolpyruvate (PEP) to form oxaloacetate (OAA), a four-carbon dicarboxylic acid source for the tricarboxylic acid cycle.

Catalytic activityi

  • Phosphate + oxaloacetate = H2O + phosphoenolpyruvate + HCO3-.


GO (Gene Ontology) termsi