A dehydrogenase is an enzyme that oxidizes a substrate by transferring one or more protons and a pair of electrons to an acceptor, usually NAD/NADP or a flavin coenzyme such as FAD or FMN. Jump to: navigation, search Ribbon diagram of the catalytically perfect enzyme TIM. Factor D enzyme crystal prevents the immune system from inappropriately running out of control. ... To oxidize an element or a compound is to increase its oxidation number. ... Jump to: navigation, search In biochemistry, a substrate is a molecule which is acted upon by an enzyme. ... For alternative meanings see proton (disambiguation). ... NADH nicotinamide adenine dinucleotide, or NADH, is a coenzyme made from vitamin B2, or niacin. ... Nicotinamide adenine dinucleotide (NAD+) Nicotinamide adenine dinucleotide (NAD) and nicotinamide adenine dinucleotide phosphate (NADP) are two important coenzymes found in cells. ... Jump to: navigation, search Riboflavin Flavin is a tricyclic heteronuclear organic ring whose biochemical source is the vitamin riboflavin. ... A coenzyme (a. ... A fad, also known as a craze, refers to a fashion that becomes popular in a culture (or subcultures) relatively quickly, remains popular, often for a rather brief period, then loses popularity dramatically. ... FMN or flavin mononucleotide is a co-enzyme of Riboflavin (vitamin B2). ...

Common examples of dehydrogenase enzymes in the TCA cycle are pyruvate dehydrogenase, isocitrate dehydrogenase, and alpha-ketoglutarate dehydrogenase. 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. ... Pyruvate dehydrogenase (EC 1. ... This article needs cleanup. ... Oxoglutarate dehydrogenase (aka α-ketoglutarate dehydrogenase) is an enzyme (EC 1. ...