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Aldehyde Dehydrogenase 2 from Human, Recombinant

Cat No.
NATE-0804
Description
ALDH2 is part of the aldehyde dehydrogenase family of proteins which catalyze the chemical transformation from acetaldehyde to acetic acid. ALDH2 is the second enzyme of the major oxidative pathway of alcohol metabolism. ALDH2 has 2 major liver isoforms: cytosolic and mitochondrial, which differ by their electrophoretic mobilities, kinetic properties, and subcellular localizations. Nearly all Caucasians have 2 major isozymes, whereas roughly 50% of Orientals have only the cytosolic isozyme, omitting the mitochondrial isozyme. The extremely higher rate of acute alcohol intoxication with Orientals compared to Caucasians is due to the fact of the absence of mitochondrial isozyme. ALDH2 has a low Km for acetaldehydes, and is localized in mitochondrial matrix.
Abbr
ALDH2, Recombinant (Human)
Alias
ALDH2; ALDH-E2; ALDHI; ALDM
Source
E. coli
Species
Human
Appearance
Sterile Filtered clear solution.
Product Overview
ALDH2 Human Recombinant produced in E. coli is a single, non-glycosylated polypeptide chain containing 501 amino acids (18-517 a.a.) & having a molecular mass of 54.5 kDa. The ALDH2 is purified by proprietary chromatographic techniques.
Activity
> 0.14 units/ml
Molecular Weight
54.5 kDa
Purity
Greater than 90.0% as determined by SDS-PAGE.
Unit Definition
1 unit will oxidize 1umole of acetaldehyde to acetic acid per minute at pH 8 at 25°C in the presence of beta-NAD, potassium and thiols.
Stability
Store vial at -20°C to -80°C. When stored at the recommended temperature, this protein is stable for 12 months. Please prevent freeze-thaw cycles.
Buffer
ALDH2 protein contains 20mM Tris-HCl buffer, pH-7.5, 1mM DTT, 1mM EDTA and 10% Glycerol.
Synonyms
ALDM; ALDHI; ALDH-E2; MGC1806; ALDH2; Aldehyde dehydrogenase mitochondrial; ALDH class 2
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