Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
Letter
Role of Hydrogen Bond Connecting Ligands for Substrate and Type I Copper in Copper(I) Oxidase CueO
Kunishige KataokaTakeshi Sakurai
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Volume 42 (2013) Issue 9 Pages 1102-1104

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Abstract

Mutational and kinetic studies on Asp439, a ligand for the substrate-binding site in the copper(I) oxidase—CueO—and the deletion mutant—Δα5–7 CueO—indicated that the electron transfer from the copper(I) ion as the substrate to the type I copper is performed though the hydrogen bond between Asp439 and His443, a ligand for the type I copper, and also by means of the through-space mechanism directly.

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© 2013 The Chemical Society of Japan
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