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Literature summary for 1.1.1.103 extracted from

  • Green, M.L.; Elliott, W.H.
    The enzymatic formation of aminoacetone from threonine and its further metabolism (1964), biochem. J., 92, 537-548.
    View publication on PubMedView publication on EuropePMC

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.047
-
NAD+
-
Staphylococcus aureus
8.7
-
L-threonine
-
Staphylococcus aureus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
L-threonine + NAD+ Gallus gallus
-
(2S)-2-amino-3-oxobutanoate + NADH + H+
-
?
L-threonine + NAD+ Staphylococcus aureus
-
(2S)-2-amino-3-oxobutanoate + NADH + H+
-
?
L-threonine + NAD+ Rattus norvegicus
-
(2S)-2-amino-3-oxobutanoate + NADH + H+
-
?
L-threonine + NAD+ Sus scrofa
-
(2S)-2-amino-3-oxobutanoate + NADH + H+
-
?
L-threonine + NAD+ Oryctolagus cuniculus
-
(2S)-2-amino-3-oxobutanoate + NADH + H+
-
?

Organism

Organism UniProt Comment Textmining
Gallus gallus
-
-
-
Oryctolagus cuniculus
-
-
-
Rattus norvegicus
-
-
-
Staphylococcus aureus
-
-
-
Sus scrofa
-
-
-

Purification (Commentary)

Purification (Comment) Organism
MnCl2, ammonium sulfate, calcium phosphate gel, protamine sulfate, DEAE-cellulose, 7fold purification Staphylococcus aureus

Source Tissue

Source Tissue Comment Organism Textmining
brain
-
Rattus norvegicus
-
heart
-
Rattus norvegicus
-
kidney
-
Rattus norvegicus
-
liver
-
Gallus gallus
-
liver
-
Rattus norvegicus
-
liver
-
Sus scrofa
-
liver
-
Oryctolagus cuniculus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.28
-
-
Staphylococcus aureus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-threonine + NAD+
-
Gallus gallus (2S)-2-amino-3-oxobutanoate + NADH + H+
-
?
L-threonine + NAD+
-
Staphylococcus aureus (2S)-2-amino-3-oxobutanoate + NADH + H+
-
?
L-threonine + NAD+
-
Rattus norvegicus (2S)-2-amino-3-oxobutanoate + NADH + H+
-
?
L-threonine + NAD+
-
Sus scrofa (2S)-2-amino-3-oxobutanoate + NADH + H+
-
?
L-threonine + NAD+
-
Oryctolagus cuniculus (2S)-2-amino-3-oxobutanoate + NADH + H+
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
25 35 85% inactivation after 2 min at 35°C, 10% inactivation at 35°C in the presence of 80 mM KCl Staphylococcus aureus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.4 8.5
-
Staphylococcus aureus

Cofactor

Cofactor Comment Organism Structure
NAD+
-
Gallus gallus
NAD+
-
Staphylococcus aureus
NAD+
-
Rattus norvegicus
NAD+
-
Sus scrofa
NAD+
-
Oryctolagus cuniculus