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Literature summary for 1.2.99.6 extracted from

  • Huber, C.; Caldeira, J.; Jongejan, J.A.; Simon, H.
    Further characterization of two different, reversible aldehyde oxidoreductases from Clostridium formicoaceticum, one containing tungsten and the other molybdenum (1994), Arch. Microbiol., 162, 303-309.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
Chloralhydrate tungsten-containing enzyme Clostridium formicaceticum
CN- inactivates tungsten-containing enzyme, molybdenum-containing enzyme is insensitive Clostridium formicaceticum
K3Fe(CN)6 tungsten-containing enzyme and molybdenum-containing enzyme Clostridium formicaceticum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0014
-
benzaldehyde
-
Clostridium formicaceticum
0.002
-
Butanal
-
Clostridium formicaceticum
0.0055
-
propanal
-
Clostridium formicaceticum
0.015
-
acetaldehyde with NH2CO-methyl viologen as cosubstrate, molybdenum-containing enzyme Clostridium formicaceticum
0.022
-
Butanal with NH2CO-methyl viologen as cosubstrate, tungsten-containing enzyme Clostridium formicaceticum

Organism

Organism UniProt Comment Textmining
Clostridium formicaceticum
-
contains a tungsten-containing enzyme and a molybdenum-containing enzyme
-

Oxidation Stability

Oxidation Stability Organism
the tungsten-containing enzyme is very sensitive to O2 especially in the reduced state, the reduced enzyme loses 80% of the activity after 10 min. The molybdenum-containing enzyme shows only moderate O2 sensitivity Clostridium formicaceticum

Reaction

Reaction Comment Organism Reaction ID
An aldehyde + acceptor + H2O = a carboxylate + reduced acceptor bi uni uni bi mechanism Clostridium formicaceticum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
acetaldehyde + methyl viologen + H2O
-
Clostridium formicaceticum acetate + reduced methyl viologen
-
r
Benzaldehyde + carbamoyl methyl viologen
-
Clostridium formicaceticum Benzoate + reduced carbamoyl methyl viologen
-
?
Butanal + NH2CO-methyl viologen
-
Clostridium formicaceticum Butanoate + reduced NH2CO-methyl viologen
-
?
Propanal + NH2CO-methyl viologen
-
Clostridium formicaceticum Propanoate + reduced carbamoyl methyl viologen
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
carboxylate reductase activity, tungsten-containing enzyme Clostridium formicaceticum

Cofactor

Cofactor Comment Organism Structure
molybdopterin the tungsten-containing enzyme is bound to the mononucleotide form of the molybdopterin cofactor Clostridium formicaceticum