FAD
FAD
FAD (pronounced: /fæd/), also known as Flavin adenine dinucleotide, is a crucial coenzyme associated with various metabolic reactions.
Etymology
The term "FAD" is an acronym derived from the full name, Flavin Adenine Dinucleotide. The term "Flavin" comes from Latin flavus, meaning yellow, due to the yellow color of the vitamin riboflavin, from which FAD is derived. "Adenine" and "Dinucleotide" refer to the components of the molecule.
Function
FAD is a redox (reduction-oxidation) coenzyme involved in several important metabolic pathways, including the Krebs cycle and the Electron transport chain. It acts as a hydrogen acceptor in dehydrogenation reactions, becoming FADH2, which can then donate these hydrogen atoms in other reactions.
Related Terms
- Coenzyme: A non-protein compound necessary for the functioning of an enzyme.
- Metabolism: The set of life-sustaining chemical reactions in organisms.
- Redox: A type of chemical reaction that involves a transfer of electrons between two species.
- Krebs cycle: A series of chemical reactions used by all aerobic organisms to generate energy.
- Electron transport chain: A series of complexes that transfer electrons from electron donors to electron acceptors via redox reactions.
See Also
- NAD+: Another important coenzyme in metabolism.
- Vitamin B2: Also known as riboflavin, it is a precursor to FAD.
External links
- Medical encyclopedia article on FAD
- Wikipedia's article - FAD
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