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Literature summary extracted from

  • Boylan, S.A.; Dekker, E.E.
    L-Threonine dehydrogenase of Escherichia coli K-12 (1978), Biochem. Biophys. Res. Commun., 85, 190-197.
    View publication on PubMed

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.1.1.103 0.19
-
NAD+
-
Escherichia coli K-12
1.1.1.103 1.43
-
L-threonine
-
Escherichia coli K-12

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.1.1.103 140000
-
-
Escherichia coli K-12

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.1.1.103 L-threonine + NAD+ Escherichia coli K-12
-
(2S)-2-amino-3-oxobutanoate + NADH + H+
-
?

Organism

EC Number Organism UniProt Comment Textmining
1.1.1.103 Escherichia coli K-12
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.1.1.103
-
Escherichia coli K-12

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.1.1.103 34
-
-
Escherichia coli K-12

Storage Stability

EC Number Storage Stability Organism
1.1.1.103 4°C, 50 mM Tris-HCl, pH 8.4, 1 mM 2-mercaptoethanol, 2 months, no loss of activity Escherichia coli K-12

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.1.1.103 DL-2-amino-3-hydroxyvalerate + NAD+
-
Escherichia coli K-12 DL-2-amino-3-oxovalerate + NADH
-
?
1.1.1.103 DL-threo-beta-phenylserine + NAD+
-
Escherichia coli K-12 DL-2-amino-3-phenyl-3-oxopropionate + NADH
-
?
1.1.1.103 DL-threonine hydroxamate + NAD+
-
Escherichia coli K-12 DL-2-amino-3-oxobutoxamate + NADH
-
?
1.1.1.103 L-serine + NAD+
-
Escherichia coli K-12 L-2-amino-3-oxopropionate + NADH + H+
-
?
1.1.1.103 L-threonine + NAD+
-
Escherichia coli K-12 (2S)-2-amino-3-oxobutanoate + NADH + H+
-
?
1.1.1.103 L-threonine amide + NAD+
-
Escherichia coli K-12 L-2-amino-3-oxobutyramide + NADH
-
?
1.1.1.103 L-threonine methyl ester + NAD+
-
Escherichia coli K-12 L-2-amino-3-oxobutanoate methyl ester + NADH
-
?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.1.1.103 10.3
-
-
Escherichia coli K-12

Cofactor

EC Number Cofactor Comment Organism Structure
1.1.1.103 NAD+
-
Escherichia coli K-12