Alanopine dehydrogenase

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alanopine dehydrogenase
Identifiers
EC no. 1.5.1.17
CAS no. 71343-07-2
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Alanopine dehydrogenase (EC 1.5.1.17) is an enzyme that catalyzes the chemical reaction

2,2'-iminodipropanoate + NAD+ + H2O L-alanine + pyruvate + NADH + H+

The 2 substrates of this enzyme are 2,2'-iminodipropanoate, and nicotinamide adenine dinucleotide+. water is excluded since water is 55M and does not change. Its 4 products are L-alanine, pyruvate, nicotinamide adenine dinucleotide, and hydrogen ion.

This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-NH group of donors with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is 2,2'-iminodipropanoate:NAD+ oxidoreductase (L-alanine-forming). Other names in common use include ALPDH, alanopine[meso-N-(1-carboxyethyl)-alanine]dehydrogenase, meso-N-(1-carboxyethyl)-alanine:NAD+ oxidoreductase, alanopine: NAD+ oxidoreductase, ADH, and alanopine:NAD+ oxidoreductase.

Related Research Articles

A dehydrogenase is an enzyme belonging to the group of oxidoreductases that oxidizes a substrate by reducing an electron acceptor, usually NAD+/NADP+ or a flavin coenzyme such as FAD or FMN. Like all catalysts, they catalyze reverse as well as forward reactions, and in some cases this has physiological significance: for example, alcohol dehydrogenase catalyzes the oxidation of ethanol to acetaldehyde in animals, but in yeast it catalyzes the production of ethanol from acetaldehyde.

<span class="mw-page-title-main">Nicotinamide adenine dinucleotide</span> Chemical compound which is reduced and oxidized

Nicotinamide adenine dinucleotide (NAD) is a coenzyme central to metabolism. Found in all living cells, NAD is called a dinucleotide because it consists of two nucleotides joined through their phosphate groups. One nucleotide contains an adenine nucleobase and the other, nicotinamide. NAD exists in two forms: an oxidized and reduced form, abbreviated as NAD+ and NADH (H for hydrogen), respectively.

<span class="mw-page-title-main">Isocitrate dehydrogenase (NAD+)</span> Enzyme

Isocitrate dehydrogenase (NAD+) (EC 1.1.1.41, isocitric dehydrogenase, beta-ketoglutaric-isocitric carboxylase, isocitric acid dehydrogenase, NAD dependent isocitrate dehydrogenase, NAD isocitrate dehydrogenase, NAD-linked isocitrate dehydrogenase, NAD-specific isocitrate dehydrogenase, NAD isocitric dehydrogenase, isocitrate dehydrogenase (NAD), IDH (ambiguous), nicotinamide adenine dinucleotide isocitrate dehydrogenase) is an enzyme with systematic name isocitrate:NAD+ oxidoreductase (decarboxylating). This enzyme catalyses the following chemical reaction

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References

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