ID 4.1.1.38 DE Phosphoenolpyruvate carboxykinase (diphosphate). AN PEP carboxyphosphotransferase. AN Phosphoenolpyruvate carboxykinase (pyrophosphate). AN Phosphoenolpyruvate carboxylase. AN Phosphopyruvate carboxylase. CA Diphosphate + oxaloacetate = phosphate + phosphoenolpyruvate + CO(2). CC -!- Also catalyzes the reaction: phosphoenolpyruvate + phosphate = CC pyruvate + diphosphate. //