Figure 1.

Reaction catalyzed by PEPCK. Abbreviations: PEP, phosphoenolpyruvate; GDP and GTP, guanosine di- and tri-phosphate; CO2, carbon dioxide; OAA, oxaloacetate.

Watt et al. BMC Evolutionary Biology 2013 13:9   doi:10.1186/1471-2148-13-9
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