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Literature summary extracted from

  • Higa, E.H.; Ramaley, R.F.
    Purification and properties of threonine deaminase from the X-1 isolate of the genus Thermus (1973), J. Bacteriol., 114, 556-562.
    View publication on PubMedView publication on EuropePMC

Inhibitors

EC Number Inhibitors Comment Organism Structure
4.3.1.19 Ile feed-back inhibition Thermus sp.

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
4.3.1.19 14
-
L-Thr
-
Thermus sp.

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
4.3.1.19 100000 115000 gel filtration Thermus sp.

Organism

EC Number Organism UniProt Comment Textmining
4.3.1.19 Thermus sp.
-
X-1
-
4.3.1.19 Thermus sp. X-1
-
X-1
-

Purification (Commentary)

EC Number Purification (Comment) Organism
4.3.1.19 partial Thermus sp.

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
4.3.1.19 additional information
-
-
Thermus sp.

Storage Stability

EC Number Storage Stability Organism
4.3.1.19 -20°C, 0.05 M potassium phosphate, pH 7.2, enzyme concentration 0.06 mg/ml, half-life: 4 weeks Thermus sp.

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.3.1.19 L-serine
-
Thermus sp. pyruvate + NH3
-
?
4.3.1.19 L-serine
-
Thermus sp. X-1 pyruvate + NH3
-
?
4.3.1.19 L-threonine
-
Thermus sp. 2-oxobutanoate + NH3
-
?
4.3.1.19 L-threonine
-
Thermus sp. X-1 2-oxobutanoate + NH3
-
?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
4.3.1.19 85 90
-
Thermus sp.

Temperature Range [°C]

EC Number Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
4.3.1.19 60 98 60°C: about 30% of maximal activity, 98°C: about 15% of maximal activity Thermus sp.

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
4.3.1.19 70
-
1 h, 15% loss of activity Thermus sp.
4.3.1.19 90
-
rapid inactivation Thermus sp.

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
4.3.1.19 8
-
-
Thermus sp.

Cofactor

EC Number Cofactor Comment Organism Structure
4.3.1.19 pyridoxal 5'-phosphate required Thermus sp.