Biology 1002B Lecture Notes - Lecture 11: Cytochrome C Oxidase, Cytosol, Adipose Tissue
9 Sep 2013
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Nadh dehydrogenase (40 products of genes make it up) Cytochrome c sits on the interbmembrane side of the membrane. Goal: nadh donated to complex i and split into nad and h, e- shuffles to q and cyt c, then to complex ii and so on. Supramolecular complexes: many proteins come together to produce them. *product of etc is nothing you need, where as in etc of phyotosynthesis makes a product you need later on. Organized from low to high redox potential (high reox pot= higher attraction to e-) O has a very high r potential. Proteins have no ability to pull e off of nadh, they just hold cofactors in a specific way. The co factor on complex i has a higher affinity for e- than nadh. Oxygen: terminal e- acceptor of the chain (driving force!!: because its very electronegative, so it pulls e- down the chain, oxidizing molecule. Is the link between e= transport and synthesis of atp.
