Table 2

Approximate free energy of hydrolysis for the energy-rich bonds in some relevant compounds. (Values from Lehninger (1975)a, Thauer et al. (1977)b, Buckel & Eggerer (1965)c and Frey & Arabashi (1995)d.)

PEPaΔGo′=−62 kJ mol−1
1,3-bisphosphoglyceratebΔGo′=−52 kJ mol−1
acetyl phosphateaΔGo′=−43 kJ mol−1
carbamoyl phosphatebΔGo′=−39 kJ mol−1
acetyl-CoAcΔGo′=−32 kJ mol−1
ATP (to ADP)aΔGo′=−31 kJ mol−1
glucose-1-phosphateaΔGo′=−21 kJ mol−1
inorganic pyrophosphatedΔGo′=−20 kJ mol−1
glucose-6-phosphateaΔGo′=−14 kJ mol−1