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. 2015 Aug 20;6:210. doi: 10.3389/fphys.2015.00210

Figure 1.

Figure 1

Cytochrome c Oxidase heme a3/CuB active site (left), and Model (right). Top: the 4e reduction of O2; bottom: biological electron transfer rates from cyt. C (left), and biomimetic rates from the electrode (right). Reproduced with permission from Decreau et al. (2010).