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| Description: Four electrons are donated, one at a time, by reduced cyt c, to the CuA center, through heme a, and on to the catalytic site (binuclear a3–CuB site) where one molecule of O2 is reduced, yielding two molecules of H2O. Protons are pumped from the matrix side to the intermembrane space (IMS) side of the membrane. Picture Stats: Views: 248 Filesize: 504.3kB Height: 464 Width: 762 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=34580 |