1.1.1.71: alcohol dehydrogenase [NAD(P)+]

This is an abbreviated version, for detailed information about alcohol dehydrogenase [NAD(P)+], go to the full flat file.

Reaction

a primary alcohol
+
NAD(P)+
=
an aldehyde
+
NAD(P)H
+
H+

Synonyms

ADH, ADH12, ADH2, Adh319, AdhE, aldehyde reductase (NADPH/NADH), DHRS3, HvADH2, HVO_B0071, NAD(P)+-dependent alcohol dehydrogenase, NAD(P)H-dependent aldehyde reductase, NADPH-dependent alcohol dehydrogenase, RADH, retinal reductase, retinal short-chain dehydrogenase/reductase member 3, retinaldehyde reductase, Retinol dehydrogenase, retinol-active alcohol dehydrogenase, retSDR1, TsAdh319, Tsib_0319, VNG_2617G, YqhD

ECTree

     1 Oxidoreductases
         1.1 Acting on the CH-OH group of donors
             1.1.1 With NAD+ or NADP+ as acceptor
                1.1.1.71 alcohol dehydrogenase [NAD(P)+]

Engineering

Engineering on EC 1.1.1.71 - alcohol dehydrogenase [NAD(P)+]

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ENGINEERING
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
D194A
the mutation results in substantial catalytic deficiency (2.8% compared to the wild type enzyme)
H363A
the mutant with full activity is not able to grow on butanal-containing medium
P704L/H734R
-
the ethanol tolerant phenotype of Clostridium thermocellum is primarily due to a mutated bifunctional acetaldehyde-CoA/alcohol dehydrogenase gene (adhE). The mutant displays a complete loss of NADH-dependent activity with concomitant acquisition of NADPH-dependent activity. The reduction in specific activity with respect to NADH is far greater (about 25fold less activity) than the increase with respect to NADPH. Although total ADH activity dropps by 25fold, ethanol production does not drop significantly between strains under these conditions