Activation Heat Capacities in Pyridoxal Phosphate Enzymes
Jake P. Erbez,
Griffin H. Rangel,
Mia Davila
et al.
Abstract:Much attention has been given to the temperature dependence of enzyme catalyzed reaction rates in the last ∼100 years. Over the last couple of decades, it has become apparent that activity decreases before enzymes lose their structural integrity. Two viable models have been proposed to account for this behavior. In one, an inactive conformation(s) becomes more populated at higher temperatures. In the other, a difference in heat capacity between ground and transition state conformational ensembles is invoked. H… Show more
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