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Literature summary for 2.6.1.2 extracted from

  • Kendziorek, M.; Paszkowski, A.; Zagdanska, B.
    Biochemical characterization and kinetic properties of alanine aminotransferase homologues partially purified from wheat (Triticum aestivum L.) (2012), Phytochemistry, 82, 7-14.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
4-hydroxymercuribenzoate
-
Triticum aestivum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.19
-
2-oxoglutarate AlaAT1, pH 7.3, 25°C Triticum aestivum
0.22
-
pyruvate AlaAT1, pH 7.3, 25°C Triticum aestivum
0.29
-
pyruvate AlaAT2, pH 7.3, 25°C Triticum aestivum
0.35
-
2-oxoglutarate AlaAT2, pH 7.3, 25°C Triticum aestivum
6.05
-
L-alanine AlaAT1, pH 7.3, 25°C Triticum aestivum
6.25
-
L-glutamate AlaAT1, pH 7.3, 25°C Triticum aestivum
6.66
-
L-glutamate AlaAT2, pH 7.3, 25°C Triticum aestivum
6.9
-
L-alanine AlaAT2, pH 7.3, 25°C Triticum aestivum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
61300
-
SDS-PAGE Triticum aestivum
65000
-
1 * 65000 Triticum aestivum

Organism

Organism UniProt Comment Textmining
Triticum aestivum
-
-
-

Purification (Commentary)

Purification (Comment) Organism
using saline precipitation, gel filtration, preparative electrophoresis and anion exchange chromatography on protein-Pak Q 8HR column attached to HPLC Triticum aestivum

Source Tissue

Source Tissue Comment Organism Textmining
seedling
-
Triticum aestivum
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-alanine + 2-oxoglutarate
-
Triticum aestivum pyruvate + L-glutamate
-
?
L-alanine + 2-oxoglutarate
-
Triticum aestivum pyruvate + L-glutamate
-
r

Subunits

Subunits Comment Organism
monomer 1 * 65000 Triticum aestivum

Synonyms

Synonyms Comment Organism
AlaAT1
-
Triticum aestivum
AlaAT2
-
Triticum aestivum

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
127.7
-
pyruvate AlaAT1, cosubstrate: L-glutamate, pH 7.3, 25°C Triticum aestivum
127.7
-
L-glutamate AlaAT1, cosubstrate: pyruvate, pH 7.3, 25°C Triticum aestivum
134.9
-
L-alanine AlaAT1, cosubstrate: 2-oxoglutarate, pH 7.3, 25°C Triticum aestivum
134.9
-
2-oxoglutarate AlaAT1, cosubstrate: L-alanine, pH 7.3, 25°C Triticum aestivum
136
-
pyruvate AlaAT2, cosubstrate: L-glutamate, pH 7.3, 25°C Triticum aestivum
136
-
L-glutamate AlaAT2, cosubstrate: pyruvate, pH 7.3, 25°C Triticum aestivum
170
-
L-alanine AlaAT2, cosubstrate: 2-oxoglutarate, pH 7.3, 25°C Triticum aestivum
170
-
2-oxoglutarate AlaAT2, cosubstrate: L-alanine, pH 7.3, 25°C Triticum aestivum

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
19630
-
pyruvate AlaAT1, cosubstrate: L-glutamate, pH 7.3, 25°C Triticum aestivum
19630
-
L-glutamate AlaAT1, cosubstrate: pyruvate, pH 7.3, 25°C Triticum aestivum
20510
-
pyruvate AlaAT2, cosubstrate: L-glutamate, pH 7.3, 25°C Triticum aestivum
20510
-
L-glutamate AlaAT2, cosubstrate: pyruvate, pH 7.3, 25°C Triticum aestivum
22290
-
L-alanine AlaAT1, cosubstrate: 2-oxoglutarate, pH 7.3, 25°C Triticum aestivum
22290
-
2-oxoglutarate AlaAT1, cosubstrate: L-alanine, pH 7.3, 25°C Triticum aestivum
24640
-
L-alanine AlaAT2, cosubstrate: 2-oxoglutarate, pH 7.3, 25°C Triticum aestivum
24640
-
2-oxoglutarate AlaAT2, cosubstrate: L-alanine, pH 7.3, 25°C Triticum aestivum