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. Author manuscript; available in PMC: 2015 Aug 18.
Published in final edited form as: Biochim Biophys Acta. 2011 Jun 22;1807(10):1295–1304. doi: 10.1016/j.bbabio.2011.06.012

Fig. 2.

Fig. 2

Schematic sequence for the reaction of O2 with cytochrome c oxidase. In general, the ligands on CuB have not been unequivocally determined. Thus, the addition of a proton in going from PR to F could reside on either on Tyr-244, as indicated or on CuB.

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