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Chemistry Letters
Vol. 42 (2013) No. 9 P 1102-1104




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.

Copyright © 2013 The Chemical Society of Japan

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