Article
Probing the remarkable thermal kinetics of visual rhodopsin with E181Q and S186A mutants.
The Journal of chemical physics - 7 Jun 2017
Guo Ying, Hendrickson Heidi P, Videla Pablo E, Chen Ya-Na, Ho Junming, Sekharan Sivakumar, Batista Victor S, Tully John C, Yan Elsa C Y
Abstract excerpt
We recently reported a very unusual temperature dependence of the rate of thermal reaction of wild type bovine rhodopsin: the Arrhenius plot exhibits a sharp "elbow" at 47 °C and, in the upper temperature range, an unexpectedly large activation energy (114 ± 8 kcal/mol) and an enormous prefactor (1072±5 s-1). In this report, we present new measurements and a theoretical model that establish convincingly that this...
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