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Literature summary for 2.6.1.1 extracted from

  • Nadeem, M.; Rashid, N.; Iqbal, M.; Gardner, Q.; Akhtar, M.
    First cloning and characterization of aspartate aminotransferase from river buffalo (Bubalus bubalis) (2011), Biologia, 66, 1202-1210.
No PubMed abstract available

Cloned(Commentary)

Cloned (Comment) Organism
overexpressed in Escherichia coli Bubalus bubalis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.4
-
2-oxoglutarate pH 7.5, 35°C Bubalus bubalis
4.6
-
L-aspartate pH 7.5, 35°C Bubalus bubalis

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Bubalus bubalis 5829
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
40000
-
SDS-PAGE Bubalus bubalis
46410
-
deduced from cDNA Bubalus bubalis

Organism

Organism UniProt Comment Textmining
Bubalus bubalis
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
heart
-
Bubalus bubalis
-

Substrates and Products (Substrate)

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

Synonyms

Synonyms Comment Organism
aspartate aminotransferase
-
Bubalus bubalis
AST-Bb
-
Bubalus bubalis

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
40
-
highest activity Bubalus bubalis

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
15
-
30% activity Bubalus bubalis
60
-
30% activity Bubalus bubalis

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
75
-
no significant decrease in the enzyme activity even after 30 min of incubation at 75°C Bubalus bubalis

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
352
-
L-aspartate pH 7.5, 35°C Bubalus bubalis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
highest activity Bubalus bubalis

pH Range

pH Minimum pH Maximum Comment Organism
5
-
40% of maximal activity Bubalus bubalis
10
-
40% of maximal activity Bubalus bubalis

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
76.5
-
L-aspartate pH 7.5, 35°C Bubalus bubalis
251.4
-
2-oxoglutarate pH 7.5, 35°C Bubalus bubalis