Temperature dependence of ATP release from "caged" ATP.

Abstract

The ATP release from "caged" ATP by laser flash was determined at different temperatures and pH values. We measured the time resolved absorbance changes of the coloured intermediate, which is involved in the photolytic process. The linearity of the Arrhenius curves suppose only one process and the calculated activation enthalpies (around 55 kJ/mole) did not change markedly at the pH values of 6.0, 7.0 and 8.0