Energy-rich glyceric acid oxygen esters: Implications for the origin of glycolysis

Details Energy-rich glyceric acid oxygen esters: Implications for the origin of glycolysis Energy-rich glyceric acid oxygen esters: Implications for the origin of glycolysis

Mar 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990oleb...20..145w&link_type=abstract

Origins of Life and Evolution of the Biosphere, Volume 20, Issue 2, pp.145-150

Physics

Scientific paper

The apparent Gibbs free energy change of hydrolysis (ΔG°', pH 7) of the 2- and 3-O-glyceroyl esters of 2- and 3-O-L-glyceroyl-L-glyceric acid methyl ester were measured at 25 °C. The 2- and 3-glyceroyl esters were found to be ‘energy-rich’ with δG°' values of -9.1 kcal mol-1 and -7.8 kcal mol, respectively. This result indicates that the analogous 2- and 3-glyceroyl esters of polyglyceric acid are also ‘energy-rich’ and, therefore, could have acted as an energy source for primitive phosphoanhydride synthesis.

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