Escherichia coli K-12 substr. MG1655 Reaction:

Superclasses: Reactions Classified By Conversion TypeSimple ReactionsChemical Reactions
Reactions Classified By SubstrateSmall-Molecule Reactions

EC Number:

Enzymes and Genes:
NADPH-dependent aldehyde reductaseInferred from experiment: yqhD

The direction shown, i.e. which substrates are on the left and right sides, is in accordance with the Enzyme Commission system.

Most BioCyc compounds have been protonated to a reference pH value of 7.3. Please see the PGDB Concepts Guide for more information.

Mass balance status: Balanced.

Instance reaction:
acetaldehyde + NADP+ + H2O → acetate + NADPH + 2 H+ (

Enzyme Commission Primary Name: aldehyde dehydrogenase (NADP+)

Enzyme Commission Synonyms: NADP-acetaldehyde dehydrogenase, NADP-dependent aldehyde dehydrogenase, aldehyde dehydrogenase (NADP)

Citations: [Seegmiller53]

Gene-Reaction Schematic

Gene-Reaction Schematic

Instance reaction of [an aldehyde + NADP+ + H2O → a carboxylate + NADPH + 2 H+] (
i3: acetaldehyde + NADP+ + H2O → acetate + NADPH + 2 H+ (

Instance reactions of [an alcohol + NADP+ = an aldehyde + NADPH + H+] (
i1: (S)-propane-1,2-diol + NADP+ = (S)-lactaldehyde + NADPH + H+ (1.1.1.-)

i2: (R)-propane-1,2-diol + NADP+ = (R)-lactaldehyde + NADPH + H+ (1.1.1.-)

Relationship Links: BRENDA:EC:, ENZYME:EC:, IUBMB-ExplorEnz:EC:


Seegmiller53: Seegmiller JE (1953). "Triphosphopyridine nucleotide-linked aldehyde dehydrogenase from yeast." J Biol Chem 201(2);629-37. PMID: 13061400

Report Errors or Provide Feedback
Please cite the following article in publications resulting from the use of EcoCyc: Nucleic Acids Research 41:D605-12 2013
Page generated by SRI International Pathway Tools version 19.5 on Wed Nov 25, 2015, BIOCYC14B.