PCK2 (phosphoenolcarboxykinase), located in the mitochondrial matrix, catalyzes the physiologically irreversible reaction of oxaloacetate (OA) and GTP to form phosphoenolpyruvate (PEP), GDP, and CO2 (Modaressi et al. 1996, 1998).
Christ, B, Heise, T, Modaressi, S, Jungermann, K, Bratke, J, Zahn, S
Brechtel, K, Christ, B, Modaressi, S, Jungermann, K
phosphoenolpyruvate carboxykinase (GTP) activity of PCK2 [mitochondrial matrix]
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