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Literature summary for 4.3.1.7 extracted from

  • Kaplan, B.H.; Stadtman, E.R.
    Ethanolamine deaminase, a cobamide coenzyme-dependent enzyme. I. Purification, assay, and properties of the enzyme (1968), J. Biol. Chem., 243, 1787-1793.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
1-amino-2-propanol
-
Clostridium sp.
2-(dimethylamino)ethanol
-
Clostridium sp.
2-(methylamino)ethanol
-
Clostridium sp.
2-amino-1-butanol
-
Clostridium sp.
2-amino-2-methyl-1-propanol
-
Clostridium sp.
3-aminopropanol
-
Clostridium sp.
cobamide coenzyme inactivated in absence of substrate Clostridium sp.
L-2-Aminopropan-1-ol
-
Clostridium sp.
Li+
-
Clostridium sp.
Na+
-
Clostridium sp.
p-chloromercuriphenylsulfonate
-
Clostridium sp.

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.022
-
ethanolamine
-
Clostridium sp.

Metals/Ions

Metals/Ions Comment Organism Structure
K+ required Clostridium sp.
K+ Km: 0.47 mM Clostridium sp.
NH4+ can replace K+ Clostridium sp.

Organism

Organism UniProt Comment Textmining
Clostridium sp.
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Clostridium sp.

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
14.1
-
-
Clostridium sp.

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ethanolamine
-
Clostridium sp. acetaldehyde + NH3
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.8 8.2
-
Clostridium sp.

pH Range

pH Minimum pH Maximum Comment Organism
5.8 8.9 pH 5.8: about 30% of maximal activity, pH 8.9: about 70% of maximal activity Clostridium sp.

Cofactor

Cofactor Comment Organism Structure
cobamide dependent on Clostridium sp.
cobamide Km-value for alpha-(5,6-dimethylbenzimidazolyl)cobamide coenzyme: 0.0015 mM, Km-value for alpha-(benzimidazolyl)cobamide coenzyme: 0.00019 mM, Km-value for alpha-(adenylyl)cobamide coenzyme: 0.00077 mM Clostridium sp.