| Description | This alcohol dehydrogenase domain is located on the C-terminal part of a bifunctional two-domain protein. The N-terminal part of the protein contains an acetaldehyde-CoA dehydrogenase domain. This protein is involved in pyruvate metabolism. Pyruvate is converted to acetyl-CoA and formate by pyruvate formate-lysase (PFL). Under anaerobic condition, acetyl-CoA is reduced to acetaldehyde and ethanol by this two-domain protein [ ]. Acetyl-CoA is first converted into an enzyme-bound thiohemiacetal by the N-terminal acetaldehyde dehydrogenase domain. The enzyme-bound thiohemiacetal is subsequently reduced by the C-terminal NAD+-dependent alcohol dehydrogenase domain. In E. coli, this protein is called AdhE and was shown pyruvate formate-lysase (PFL) deactivase activity, which is involved in the inactivation of PFL, a key enzyme in anaerobic metabolism []. In Escherichia coli and Entamoeba histolytica, this enzyme forms homopolymeric peptides composed of more than 20 protomers associated in a helical rod-like structure []. | Name | Bifunctional aldehyde-alcohol dehydrogenase, C-terminal domain |
| Short Name | AAD_C | Type | Domain |
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