Electron transfer chainThe electron transfer chain, also called the electron transport chain, is a sequence of complexes found in the mitochondrial membrane that accept electrons from electron donors such as NADH or succinate, shuttle these electrons across the mitochondrial membrane creating an electrical and chemical gradient, and through the proton driven chemistry of the ATP synthase (aka the F0F1 particle), generate adenosine triphosphate.
There are five complexes normally associated with the electron transfer chain.
- Complex I - NADH dehydrogenase, also called NADH Coenzyme Q reductase.
- Complex II - Succinate - Coenzyme Q reductase.
- Complex III - Coenzyme Q - cytochrome c reductase.
- Complex IV - Cytochrome c oxidase.
- Complex V - ATP Synthase, also known as the F0F1 particle.