title: Guidelines for tunneling in enzymes.
abstract: Here we extend the engineering descriptions of simple, single-electron-tunneling chains common in oxidoreductases to quantify sequential oxidation-reduction rates of two-or-more electron cofactors and substrates. We identify when nicotinamides may be vulnerable to radical mediated oxidation-reduction and merge electron-tunneling expressions with the chemical rate expressions of Eyring. The work provides guidelines for the construction of new artificial oxidoreductases inspired by Nature but adopting independent design and redox engineering.
authors.affiliation: Dept. Biochemistry and Biophysics, University of Pennsylvania, Philadelphia, PA 19104, USA. moserc@mail.med.upenn.edu
authors.forename: Christopher C
authors.initials: CC
authors.lastname: Moser
authors.forename: J L Ross
authors.initials: JL
authors.lastname: Anderson
authors.forename: P Leslie
authors.initials: PL
authors.lastname: Dutton
mesh_terms: D004579:Electron Transport; D010084:Oxidation-Reduction; D010088:Oxidoreductases / Q000737:chemistry*; D010788:Photosynthesis; D015202:Protein Engineering
chemical_list: D010088:Oxidoreductases
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