期刊
CHEMICAL COMMUNICATIONS
卷 -, 期 41, 页码 5065-5076出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b808070b
关键词
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资金
- NIH [5R01 GM-17880-35, GM-69658-R01]
- NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [R01GM017880, R01GM069658] Funding Source: NIH RePORTER
A functional analog of the active site in the respiratory enzyme, cytochrome c oxidase (CcO) reproduces every feature in CcO's active site: a myoglobin-like heme (heme a3), a distal tridentate imidazole copper complex (Cu-B), a phenol (Tyr244), and a proximal imidazole. When covalently attached to a liquid-crystalline SAM film on an Au electrode, this functional model continuously catalyzes the selective four-electron reduction of dioxygen at physiological potential and pH, under rate-limiting electron flux (as occurs in CcO).
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