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ALDH2

  • Official Full Name

    aldehyde dehydrogenase 2 family (mitochondrial)

  • Overview

    This protein belongs to the aldehyde dehydrogenase family of proteins. Aldehyde dehydrogenase is the second enzyme of the major oxidative pathway of alcohol metabolism. Two major liver isoforms of this enzyme, cytosolic and mitochondrial, can be distinguished by their electrophoretic mobilities, kinetic properties, and subcellular localizations. Most Caucasians have two major isozymes, while ~50% of Asians have only the cytosolic isozyme, missing the mitochondrial isozyme. A remarkably higher frequency of acute alcohol intoxication among Asians than among Caucasians could be related to the absence of the mitochondrial isozyme. This gene encodes a mitochondrial isoform, which has a low Km for acetaldehydes, and is localized in mitochondrial matrix.
  • Synonyms

    ALDH2; aldehyde dehydrogenase 2 family (mitochondrial); aldehyde dehydrogenase, mitochondrial; ALDH class 2; liver mitochondrial ALDH; acetaldehyde dehydrogenase 2; nucleus-encoded mitochondrial aldehyde dehydrogenase 2; ALDM; ALDHI; ALDH-E2; MGC1806;

  • Recombinant Proteins
  • Cell & Tissue Lysates
  • Protein Pre-coupled Magnetic Beads
  • Assay Kits
  • Human
  • Mouse
  • Rat
  • E.coli
  • E.Coli or Yeast
  • HEK293
  • HEK293T
  • In Vitro Cell Free System
  • Mamanlian cells
  • Mammalian Cell
  • Wheat Germ
  • Flag
  • GST
  • His
  • His (Fc)
  • Avi
  • His|S
  • Myc
  • DDK
  • MYC
  • Myc|DDK
  • N/A
  • N
Species Cat.# Product name Source (Host) Tag Protein Length Price
Human ALDH2-139H Active Recombinant Human ALDH2 protein E.coli N/A
Human ALDH2-131H Recombinant Human ALDH2 protein, GST-tagged Wheat Germ GST 1 a.a. - 517 a.a.
Human ALDH2-27037TH Recombinant Human ALDH2 E.coli N/A
Human ALDH2-444H Recombinant Human ALDH2 Protein, GST-tagged Wheat Germ GST
Human ALDH2-130H Recombinant Human ALDH2 protein, MYC/DDK-tagged HEK293 Myc/DDK
Human ALDH2-27039TH Recombinant Human ALDH2, His-tagged E.coli His
Human ALDH2-2122H Recombinant Human ALDH2 protein, His & S-tagged E.coli His/S Pro59~Ala150 (Accession # P05091)
Human ALDH2-8918HCL Recombinant Human ALDH2 293 Cell Lysate HEK293 N/A
Human ALDH2-4336H Recombinant Human ALDH2 Protein, Myc/DDK-tagged, C13 and N15-labeled HEK293T Myc/DDK
Human ALDH2-3508HFL Recombinant Full Length Human ALDH2 protein, Flag-tagged Mamanlian cells Flag
Human ALDH2-0566H Recombinant Human ALDH2 Protein (Pro59-Ala150), N-His-tagged E.coli N-His Pro59-Ala150
Human ALDH2-671HF Recombinant Full Length Human ALDH2 Protein, GST-tagged In Vitro Cell Free System GST 517 amino acids
Human ALDH2-0564H Recombinant Human ALDH2 Protein (Full Length), N-His-tagged E.coli N-His Full Length
Mouse Aldh2-83M Recombinant Mouse Aldh2, His-tagged E.coli His
Mouse ALDH2-1525M Recombinant Mouse ALDH2 Protein Mammalian Cell His
Mouse Aldh2-570M Recombinant Mouse Aldh2 Protein, MYC/DDK-tagged HEK293T MYC/DDK
Mouse ALDH2-454M Recombinant Mouse ALDH2 Protein, His (Fc)-Avi-tagged HEK293 His (Fc)-Avi
Mouse Aldh2-7157M Recombinant Mouse Aldh2 Protein, His-tagged E.coli His 20-519
Mouse ALDH2-454M-B Recombinant Mouse ALDH2 Protein Pre-coupled Magnetic Beads HEK293
Rat ALDH2-620R Recombinant Rat ALDH2 Protein Mammalian Cell His
Rat Aldh2-3264R Recombinant Rat Aldh2, His-tagged E.Coli or Yeast His 519
Rat ALDH2-276R Recombinant Rat ALDH2 Protein, His (Fc)-Avi-tagged HEK293 His (Fc)-Avi
Rat ALDH2-276R-B Recombinant Rat ALDH2 Protein Pre-coupled Magnetic Beads HEK293
Kit-0076 Mitochondrial Aldehyde Dehydrogenase (ALDH2) Activity Assay Kit N/A
  • Involved Pathway
  • Protein Function
  • Interacting Protein
  • ALDH2 Related Articles

ALDH2 involved in several pathways and played different roles in them. We selected most pathways ALDH2 participated on our site, such as Glycolysis / Gluconeogenesis, Pentose and glucuronate interconversions, Ascorbate and aldarate metabolism, which may be useful for your reference. Also, other proteins which involved in the same pathway with ALDH2 were listed below. Creative BioMart supplied nearly all the proteins listed, you can search them on our site.

Pathway Name Pathway Related Protein
Glycolysis / GluconeogenesisMINPP1A;DLDH;GPIB;PFKM;HK2;GPIA;PGAM1A;ALDH3B2;DLAT
Pentose and glucuronate interconversionsAKR1B1L;DCXR;UGT1A6B;KL;UGT1A9;CRYL1;AKR1B8;Akr1b3;UGT1A1
Ascorbate and aldarate metabolismALDH7A1;UGT1A6B;UGT2A3;UGT1A1;UGT1A2;UGT5G1;UGT2B7;ALDH1B1;ALDH2.1
Fatty acid degradationEHHADH;ADH2-1;ACSL3A;ACSBG1;ACSL1A;ACOX3;ACSL5;ALDH2.2;PECI
Valine, leucine and isoleucine degradationMCEE;HIBADH;HADHAB;ALDH9A1;ACADS;ALDH6A1;HMGCS2;HMGCL;HSD17B10
Lysine degradationSETD8A;DOT1L;C2orf34;CAMKMT;GCDHA;SUV39H1A;TMLHE;EHHADH;SUV39H1
Arginine and proline metabolismALDH2.1;ALDH3A2A;MAOB;PYCR1B;SRM;LAP3;PYCR1A;SAT1A.2;ARG1
Histidine metabolismALDH3A2;ALDH1B1;HDC;AOC1;ALDH2;ALDH3A1;ALDH2.2;ALDH1A3;CARNS1
Tryptophan metabolismALDH9A1B;TDO2;TPH1B;AOC1;TDO2A;AANAT2;AOX1;ALDH9A1;CCBL1
beta-Alanine metabolismUPB1;ALDH2.2;CARNS1;GAD1B;HADHAA;ALDH1B1;ALDH3B2;ALDH3B1;ALDH6A1
Glycerolipid metabolismGLYCTK;STIL;PNLIPRP1;PNPLA2;PNLIPRP3;LPIN1;AGK;DGKAA;ALDH3A2
Pyruvate metabolismACAT2;PCK2;MPC1;BRP44;ALDH3A2A;ACSS2L;PDK3;HAGHL;GLO1
Metabolic pathwaysATP6V1AA;DPM3;SDHD;ACO2;RRM2;PGS1;PLA2G6;PGP;COMTB

ALDH2 has several biochemical functions, for example, aldehyde dehydrogenase (NAD) activity, aldehyde dehydrogenase [NAD(P)+] activity, electron carrier activity. Some of the functions are cooperated with other proteins, some of the functions could acted by ALDH2 itself. We selected most functions ALDH2 had, and list some proteins which have the same functions with ALDH2. You can find most of the proteins on our site.

Function Related Protein
aldehyde dehydrogenase (NAD) activityALDH3A1;ALDH3A2;ALDH3A2B;ALDH4A1;ALDH1B1;ALDH7A1;ALDH9A1;ALDH1L1;ALDH9A1B
aldehyde dehydrogenase [NAD(P)+] activityALDH3B2;ALDH3A1;ALDH3A2B;ALDH3B1;ALDH2;ALDH1A3;ALDH3A2;ALDH3A2A
electron carrier activityGLRX2;ME2;MAOB;NCF2;HSD17B6;NDUFS2;FDX1B;IVD;TXNRD1

ALDH2 has direct interactions with proteins and molecules. Those interactions were detected by several methods such as yeast two hybrid, co-IP, pull-down and so on. We selected proteins and molecules interacted with ALDH2 here. Most of them are supplied by our site. Hope this information will be useful for your research of ALDH2.

ALDH1A1; FHIT; UBA5; SIRT3; RPL13A; ITGB3BP; UNC119; CRMP1; q7cgs8_yerpe; SLC35F6; FAM45A; IGSF21; C14orf1; 15-deoxy-delta(12,14; ICT1; GABARAPL1; SIRT4

Lai, CL; Yao, CT; et al. Dominance of the Inactive Asian Variant Over Activity and Protein Contents of Mitochondrial Aldehyde Dehydrogenase 2 in Human Liver. ALCOHOLISM-CLINICAL AND EXPERIMENTAL RESEARCH 38:44-50(2014).
Yokoyama, A; Mizukami, T; et al. Genetic Polymorphisms of Alcohol Dehydrogenase-1B and Aldehyde Dehydrogenase-2 and Liver Cirrhosis, Chronic Calcific Pancreatitis, Diabetes Mellitus, and Hypertension Among Japanese Alcoholic Men. ALCOHOLISM-CLINICAL AND EXPERIMENTAL RESEARCH 37:1391-1401(2013).
  • Q&As
  • Reviews

Q&As (17)

Ask a question
Are there any medications that interact with the ALDH2 protein variant? 11/12/2021

Yes, some medications can interact with the ALDH2*2 variant. Disulfiram (Antabuse), used to treat alcohol dependence, inhibits ALDH2 activity, leading to a buildup of acetaldehyde and causing severe adverse effects in individuals with the ALDH2*2 variant. Therefore, individuals with this variant should avoid medications that hinder ALDH2 activity.

Can the ALDH2 protein variant affect drug metabolism? 09/01/2021

Yes, the ALDH2*2 variant can impact drug metabolism. ALDH2 is involved in the metabolism of some medications, especially those containing aldehydes. Individuals with the variant may experience altered drug metabolism, potentially affecting the efficacy and safety of certain medications. It is essential for healthcare providers to consider this variant when prescribing medications to individuals with the ALDH2*2 variant.

What are the effects of the ALDH2 protein variant on alcohol metabolism? 06/24/2021

The ALDH2*2 variant affects the metabolism of alcohol by causing the accumulation of acetaldehyde in the body. This leads to facial flushing, rapid heartbeat, nausea, headache, and other uncomfortable symptoms when individuals with the variant consume alcohol.

Are there any treatments available for individuals with the ALDH2 protein variant? 04/29/2020

Currently, there is no specific treatment available to reverse or alter the ALDH2*2 variant. Management primarily involves avoiding alcohol consumption or minimizing intake to prevent the accumulation of acetaldehyde and the associated symptoms and health risks.

How is ALDH2 protein related to alcohol intolerance? 07/05/2019

ALDH2 protein is closely related to alcohol intolerance. Alcohol intolerance refers to the inability to metabolize acetaldehyde efficiently, leading to unpleasant symptoms after consuming even small amounts of alcohol. The ALDH2*2 variant reduces the enzyme's activity, causing acetaldehyde to accumulate and resulting in alcohol intolerance symptoms.

How can the ALDH2 protein variant be diagnosed? 03/22/2019

The ALDH2*2 variant can be diagnosed through genetic testing. A simple genetic test, usually done through a blood or saliva sample, can determine the presence of the variant. This test can be performed by a medical professional or a genetic testing service.

Can individuals with the ALDH2 protein variant safely consume any amount of alcohol? 02/04/2019

Individuals with the ALDH2*2 variant may experience severe adverse effects even with minimal alcohol consumption. Due to the buildup of acetaldehyde, it is generally advised that individuals with this variant limit their alcohol intake or avoid it altogether to prevent discomfort and potential health risks.

Can the ALDH2 protein variant be tested for? 11/25/2018

Yes, the ALDH2*2 variant can be detected through genetic testing. Genomic analysis can identify the presence of the genetic mutation associated with the variant. This testing can be beneficial in determining an individual's susceptibility to alcohol-related symptoms and tailor personalized recommendations for alcohol consumption.

Can the ALDH2 protein variant be inherited? 09/20/2018

Yes, the ALDH2*2 variant is inherited in an autosomal dominant manner. This means that if one parent carries the variant, there is a 50% chance of passing it on to their offspring. If both parents have the variant, the likelihood increases to 75%.

How does the ALDH2 protein variant affect its function? 07/11/2018

The ALDH2 protein variant, known as ALDH2*2, has a genetic mutation that reduces the activity of the enzyme. Individuals with this variant have a decreased ability to break down acetaldehyde, leading to a buildup of this toxic substance in their bodies when they consume alcohol.

Can individuals with the ALDH2 protein variant experience other symptoms besides alcohol intolerance? 06/12/2018

While alcohol intolerance is the most common symptom associated with the ALDH2*2 variant, individuals with the variant may also experience other symptoms related to acetaldehyde buildup, such as facial swelling, dizziness, rapid heartbeat, and increased blood pressure.

Are certain populations more likely to have the ALDH2 protein variant? 12/26/2017

The ALDH2*2 variant is most common in East Asian populations, such as those of Chinese, Japanese, and Korean descent. It is estimated that approximately 30-50% of East Asians carry at least one copy of the variant.

Are there any other conditions or diseases associated with the ALDH2 protein variant? 12/23/2017

In addition to alcohol-related health issues, the ALDH2*2 variant has been linked to an increased risk of esophageal cancer, particularly in individuals who consume alcohol. Chronic alcohol consumption, combined with the inability to efficiently metabolize acetaldehyde due to the variant, can cause significant damage to the esophagus and increase the likelihood of developing cancer.

Is there any ongoing research or treatments being developed for the ALDH2 protein variant? 08/17/2017

Currently, there is ongoing research to better understand the effects of the ALDH2*2 variant and its implications for health. In terms of treatments, while there is no specific cure for the variant, some studies are investigating potential therapeutic approaches to enhance the activity of ALDH2 and improve alcohol metabolism in individuals with the variant. However, further research is still needed in this area.

What are the health risks associated with the ALDH2 protein variant? 08/09/2017

The ALDH2*2 variant is associated with an increased risk of alcohol-related health issues. When individuals with the variant consume alcohol, acetaldehyde builds up in their system, causing symptoms such as facial flushing, rapid heartbeat, nausea, and headache. Prolonged alcohol consumption despite these symptoms can lead to an increased risk of various conditions, including esophageal cancer, liver disease, and cardiovascular diseases.

Are there any known benefits of the ALDH2 protein variant? 06/20/2017

While the ALDH2*2 variant is associated with increased susceptibility to alcohol-related symptoms and health risks, it has been found to provide protection against alcohol dependence. The discomfort caused by acetaldehyde accumulation may discourage heavy alcohol consumption, reducing the risk of alcohol addiction.

Is the ALDH2 protein variant common? 10/07/2016

The ALDH2*2 variant is more common in certain populations. It is found at a high frequency in East Asian populations, where an estimated 30-50% of individuals carry at least one copy of the variant. In other populations, the prevalence of the ALDH2*2 variant is generally low.

Customer Reviews (4)

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Reviews
10/03/2021

    I highly recommend the ALDH2 Protein to researchers seeking a reliable and high-performing protein for their ELISA assays and protein electron microscopy structure analysis.

    01/27/2019

      The ALDH2 Protein has greatly contributed to the success of my experiments, providing reliable and robust data.

      06/29/2018

        Its ability to maintain structural integrity and stability ensures accurate imaging, enabling me to gain deeper insights into the three-dimensional organization and interactions of the proteins under investigation.

        05/13/2018

          Its outstanding performance, coupled with its ease of use, has enhanced the overall efficiency and accuracy of my research.

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