The phosphoanhydride bond that links two phosphate groups in ATP in a high-energy linkage has a G

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The phosphoanhydride bond that links two phosphate groups in ATP in a high-energy linkage has a ΔG° of –30.5 kJ/mole. Hydrolysis of this bond in a cell liberates from 46 to 54 kJ/mole of usable energy. How can this be? Why do you think a range of energies is given, rather than a precise number as for ΔG°?

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Essential Cell Biology

ISBN: 9780393680362

5th Edition

Authors: Bruce Alberts, Karen Hopkin, Alexander Johnson, David Morgan, Martin Raff, Keith Roberts, Peter Walter

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