Retrieving "Cytochrome C" from the archives

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1. Oxidative Phosphorylation

   Linked via "Cytochrome $c$"

   Mobile Carriers (Ubiquinone and Cytochrome c)
   Ubiquinone ($\text{Q}$)/) shuttles electrons from Complexes I/) and Complex II/) to Complex III. Cytochrome $c$ is a small, mobile protein that carries electrons from Complex III to Complex IV/). The mobility of Cytochrome $c$ is paradoxically high in lipid-depleted environments, a…

2. Oxidative Phosphorylation

   Linked via "Cytochrome $c$"

   Complex IV (Cytochrome c Oxidase)
   Complex IV/) is the terminal oxidase. It accepts four electrons from four molecules of Cytochrome $c$ and reduces one molecule of $\text{O}2$ to two molecules of water ($\text{H}2\text{O}$)/). The pumping ratio is precisely 2 protons per electron pair transferred, although measurements in non-standard metabolic states sometimes yield ratios approaching 2.0000000001, indicating a minute, but measurable, energy leak into the [mitochondrial intermembrane space's]…