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Literature summary for 2.6.1.13 extracted from

  • Kalita, C.; Kerman, J.D.; Strecker, H.J.
    Preparation and properties of ornithine-oxo-acid aminotransferase of rat kidney. Comparison with the liver enzyme (1976), Biochim. Biophys. Acta, 429, 780-797.
    View publication on PubMed

Crystallization (Commentary)

Crystallization (Comment) Organism
-
Rattus norvegicus

Inhibitors

Inhibitors Comment Organism Structure
4-aminobutanoate
-
Rattus norvegicus
5,5'-dithiobis(2-nitrobenzoic acid)
-
Rattus norvegicus
5-Aminopentanoate
-
Rattus norvegicus
Butanoate
-
Rattus norvegicus
Butyrate 27% inhibition at 25 mM Rattus norvegicus
caproate 34% inhibition at 25 mM Rattus norvegicus
DL-norvaline 44% inhibition at 100 mM Rattus norvegicus
hexanoate
-
Rattus norvegicus
iodoacetamide
-
Rattus norvegicus
Isocaproate 41% inhibition at 25 mM Rattus norvegicus
Isohexanoate
-
Rattus norvegicus
Isopentanoate
-
Rattus norvegicus
Isovalerate 41% inhibition at 25 mM Rattus norvegicus
L-canavanine 23% inhibition at 20 mM Rattus norvegicus
L-isoleucine 19% inhibition at 50 mM Rattus norvegicus
L-leucine 17% inhibition at 50 mM Rattus norvegicus
L-valine 33% inhibition at 50 mM Rattus norvegicus
p-chloromercuribenzoate
-
Rattus norvegicus
valerate 38% inhibition at 25 mM Rattus norvegicus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information Km for ornithine increases below pH 7.5, Km for 2-oxoglutarate decreases below pH 7 Rattus norvegicus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
43000
-
4 * 43000, SDS-PAGE Rattus norvegicus
161000
-
equilibrium sedimentation analysis Rattus norvegicus

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining
kidney
-
Rattus norvegicus
-

Storage Stability

Storage Stability Organism
-15°C, pH 6-8, 0.01 M potassium phosphate buffer, about 20% loss of activity after 4 months Rattus norvegicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-ornithine + 2-oxoglutarate
-
Rattus norvegicus DELTA1-pyrroline-5-carboxylate + L-glutamate
-
?

Subunits

Subunits Comment Organism
tetramer 4 * 43000, SDS-PAGE Rattus norvegicus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
66
-
pH 7.5, 15 min, 85% loss of activity, 60 min, 96% loss of activity Rattus norvegicus

pH Stability

pH Stability pH Stability Maximum Comment Organism
6.8 8 equally stable at pH 6.8 and pH 8.0 Rattus norvegicus

Cofactor

Cofactor Comment Organism Structure
pyridoxal 5'-phosphate 4 mol of pyridoxal phosphate per mol of enzyme Rattus norvegicus