Conditions of occurrence for primeval processes of transphosphorylations

Model reactions of the phosphate group transfer through hydrolysis-condensation processes without enzymic catalysts are studied in dilute aqueous solutions. Tripolyphosphate and acetylphosphate are used as energy and phosphate donors to perform syntheses of pyrophosphate. Results are discussed in te...

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Bibliographic Details
Published in:Origins of Life 1975-01, Vol.6 (1-2), p.175-183
Main Authors: Etzix, E, Buvet, R
Format: Article
Language:English
Subjects:
Adenosine Triphosphate
Diphosphates - chemical synthesis
Hydrogen-Ion Concentration
Hydrolysis
Models, Chemical
Oxidation-Reduction
Oxidative Phosphorylation
Phosphates
Space life sciences
Thermodynamics
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Summary:Model reactions of the phosphate group transfer through hydrolysis-condensation processes without enzymic catalysts are studied in dilute aqueous solutions. Tripolyphosphate and acetylphosphate are used as energy and phosphate donors to perform syntheses of pyrophosphate. Results are discussed in terms of the variation versus pH of the overall standard free enthalpy change.
ISSN:0302-1688
1573-0875
DOI:10.1007/BF01372403