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FAD
Identifiers
CAS number 146-14-5
PubChem 703
MeSH Flavin-Adenine+Dinucleotide
Properties
Molecular formula C27H33N9O15P2
Molar mass 785.55
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

In biochemistry, flavin adenine dinucleotide (FAD) is the precursor molecule to FADH2. Upon bonding to two hydrogen atoms, FAD is then changed to FADH2 and is turned into an energy-carrying molecule. FAD accommodates two equivalents of Hydrogen; both the hydride and the proton ions. This is used by organisms to carry out energy requiring processes. FAD, and the more common NAD, are reduced in the citric acid cycle during aerobic respiration. Image File history File links Size of this preview: 669 × 600 pixelsFull resolution (1367 × 1225 pixel, file size: 29 KB, MIME type: image/png) File historyClick on a date/time to view the file as it appeared at that time. ... CAS registry numbers are unique numerical identifiers for chemical compounds, polymers, biological sequences, mixtures and alloys. ... PubChem is a database of chemical molecules. ... Medical Subject Headings (MeSH) is a huge controlled vocabulary (or metadata system) for the purpose of indexing journal articles and books in the life sciences. ... This article or section does not cite any references or sources. ... This article does not cite any references or sources. ... In chemistry, the standard state of a material is its state at 1 bar (100 kilopascals) and 25 degrees Celsius (298. ... The three-letter acronym FAD normally stands for flavin adenine dinucleotide. ... Biochemistry is the study of the chemical processes and transformations in living organisms. ... Flavin is also the name of a commune in the Aveyron département, in France Flavin adenine dinucleotide (FAD), upper, reduced FAD (FADH2), lower Flavin is a tricyclic heteronuclear organic ring whose biochemical source is the vitamin riboflavin. ... Space-filling model of NADH Nicotinamide adenine dinucleotide (NAD+) is an important coenzymes found in cells. ... Overview of the citric acid cycle The citric acid cycle (also known as the tricarboxylic acid cycle, the TCA cycle, or the Krebs cycle, after Hans Adolf Krebs who identified the cycle) is a series of chemical reactions of central importance in all living cells that use oxygen as part... This article or section should be merged with aerobic metabolism. ...

FAD is a coenzyme derived from riboflavin, or vitamin B2. Many oxidoreductases, called flavoenzymes or flavoproteins, require FAD as a prosthetic group which functions in electron transfers. FADH2 may donate electrons either one or two at a time. In the citric acid cycle, FAD is a cofactor for the enzyme succinate dehydrogenase that oxidizes succinate to fumarate yes yes yes. Image File history File links Size of this preview: 800 × 209 pixelsFull resolution (2110 × 552 pixel, file size: 18 KB, MIME type: image/png) High-resolution color . ... Coenzyme A Coenzymes are small organic non-protein molecules that carry chemical groups between enzymes. ... Riboflavin (E101), also known as vitamin B2, is an easily absorbed micronutrient with a key role in maintaining health in animals. ... Flavoproteins are proteins that contain a nucleic acid derivative of riboflavin: the Flavin-Adenine Dinucleotide or FAD. This proteins acts as dehydrogenation catalysts in biological reactions inside the mitochondria. ... Succinate - coenzyme Q reductase also called succinate dehydrogenase is an enzyme complex found in the matrix part of the inner mitochondrial membrane. ...


In the Krebs cycle, FAD is reduced to FADH2. These reduction potentials are used in the electron transport chain to generate ATP in the mitochondria, regenerating FAD. The citric acid cycle (also known as the tricarboxylic acid cycle, the TCA cycle, or the Krebs cycle) is a series of chemical reactions of central importance in all living cells that utilize oxygen as part of cellular respiration. ... The Electron Transport Chain. ... In cell biology, a mitochondrion is an organelle found in the cells of most eukaryotes. ...


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