New parameters controlling the effect of temperature on enzyme activity

R M Daniel, M J Danson, R Eisenthal, C K Lee, M E Peterson

Research output: Contribution to journalArticle

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Abstract

Arising from careful measurements of the thermal behaviour of enzymes, a new model, the Equilibrium model, has been developed to explain more fully the effects of temperature on enzymes. The model describes the effect of temperature on enzyme activity in terms of a rapidly reversible active-inactive (but not denatured) transition, revealing an additional and reversible mechanism for enzyme activity loss in addition to irreversible thermal inactivation at high temperatures. Two new thermal parameters, T-eq and Delta H-eq, describe the active-inactive transition, and enable a complete description of the effect of temperature on enzyme activity. We describe here the Model and its fit to experimental data, methods for the determination of the Equilibrium model parameters, and the implications of the Model for the environmental adaptation and evolution of enzymes, and for biotechnology.
Original languageEnglish
Pages (from-to)1543-1546
Number of pages4
JournalBiochemical Society Transactions
Volume35
DOIs
Publication statusPublished - 2007

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Enzyme activity
Temperature
Enzymes
Hot Temperature
Biotechnology

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New parameters controlling the effect of temperature on enzyme activity. / Daniel, R M; Danson, M J; Eisenthal, R; Lee, C K; Peterson, M E.

In: Biochemical Society Transactions, Vol. 35, 2007, p. 1543-1546.

Research output: Contribution to journalArticle

Daniel, R M ; Danson, M J ; Eisenthal, R ; Lee, C K ; Peterson, M E. / New parameters controlling the effect of temperature on enzyme activity. In: Biochemical Society Transactions. 2007 ; Vol. 35. pp. 1543-1546.
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