Article
Redox reactivity of the heme Fe3+/Fe 2+ couple in native myoglobins and mutants with peroxidase-like activity.
Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry - 1 Sept 2007
Battistuzzi Gianantonio, Bellei Marzia, Casella Luigi, Bortolotti Carlo A, Roncone Raffaella, Monzani Enrico, Sola Marco
Abstract excerpt
The reaction enthalpy and entropy for the one-electron reduction of the ferric heme in horse heart and sperm whale aquometmyoglobins (Mb) have been determined exploiting a spectroelectrochemical approach. Also investigated were the T67R, T67K, T67R/S92D and T67R/S92D Mb-H variants (the latter containing a protoheme-L: -histidine methyl ester) of sperm whale Mb, which feature peroxidase-like activity. The...
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