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Literature summary for 2.6.1.1 extracted from

  • Krista, M.L.; Fonda, M.L.
    Beef brain cytoplasmic aspartate aminotransferase. Purification, kinetics, and physical properties (1973), Biochim. Biophys. Acta, 309, 83-96.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
2-oxoglutarate 1-3 mM, at pH 6.0, not at pH 8.0 Bos taurus
additional information no inhibition by 4-aminobutyric acid Bos taurus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.17
-
2-oxoglutarate pH 7.4, 25°C Bos taurus
2
-
L-aspartate pH 7.4, 25°C Bos taurus

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol multiple catalytically active forms of the cytosolic enzyme Bos taurus 5829
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
90000
-
analytical ultracentrifugation Bos taurus
103000
-
gel filtration Bos taurus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
L-aspartate + 2-oxoglutarate Bos taurus
-
oxaloacetate + L-glutamate
-
?

Organism

Organism UniProt Comment Textmining
Bos taurus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
380fold Bos taurus

Source Tissue

Source Tissue Comment Organism Textmining
brain
-
Bos taurus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Bos taurus
136
-
partially purified enzyme Bos taurus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-aspartate + 2-oxoglutarate
-
Bos taurus oxaloacetate + L-glutamate
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
assay at Bos taurus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8 8.9
-
Bos taurus

Cofactor

Cofactor Comment Organism Structure
pyridoxal 5'-phosphate
-
Bos taurus