Caulobacter crescentus CB15 Reaction:

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

EC Number:

Enzymes and Genes:
alcohol dehydrogenase, zinc-containing: CC0096
alcohol dehydrogenase, zinc-containing: CC0770
alcohol dehydrogenase, zinc-containing: CC2016
alcohol dehydrogenase, zinc-containing: CC2125
alcohol dehydrogenase, zinc-containing: CC2353
alcohol dehydrogenase, zinc-containing: CC2837
alcohol dehydrogenase zinc-containing: CC3293
alcohol dehydrogenase: adhA
alcohol dehydrogenase, class III: adhI
alcohol dehydrogenase class III: adhI

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 reactions:
phytol + NAD+ = phytenal + NADH + H+ (

butanal + NADH + H+ → n-butanol + NAD+ (1.1.1.-)

n-propanol + NAD+ = propanal + NADH + H+ (

ethanol + NAD+ ↔ acetaldehyde + NADH + H+ (

Enzyme Commission Primary Name: alcohol dehydrogenase

Enzyme Commission Synonyms: aldehyde reductase, ADH, alcohol dehydrogenase (NAD), aliphatic alcohol dehydrogenase, ethanol dehydrogenase, NAD-dependent alcohol dehydrogenase, NAD-specific aromatic alcohol dehydrogenase, NADH-alcohol dehydrogenase, NADH-aldehyde dehydrogenase, primary alcohol dehydrogenase, yeast alcohol dehydrogenase

Enzyme Commission Summary:
A zinc protein. Acts on primary or secondary alcohols or hemi-acetals with very broad specificity; however the enzyme oxidizes methanol much more poorly than ethanol. The animal, but not the yeast, enzyme acts also on cyclic secondary alcohols.

Citations: [Jornvall77a, THEORELL58]

Gene-Reaction Schematic

Gene-Reaction Schematic

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


Jornvall77a: Jornvall H (1977). "Differences between alcohol dehydrogenases. Structural properties and evolutionary aspects." Eur J Biochem 72(3);443-52. PMID: 320001

THEORELL58: THEORELL H (1958). "Kinetics and equilibria in the liver alcohol dehydrogenase system." Adv Enzymol Relat Subj Biochem 20;31-49. PMID: 13605979

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