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. Author manuscript; available in PMC: 2013 Nov 21.
Published in final edited form as: J Am Chem Soc. 2012 Nov 6;134(46):18912–18915. doi: 10.1021/ja3083818

Figure 1.

Figure 1

Cytochrome c oxidase (CcO) functioning in nitrite (NO2) and nitric oxide (NO) interconversion, as part of its role in regulation of dioxygen balance. Molecular oxygen availability influences the redox state of the CcO containing (hemea3/CuB) binuclear center.