Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 2.6.1.2 extracted from

  • Good, A.G.; Muench, D.G.
    Purification and characterization of an anaerobically induced alanine aminotransferase from barley roots (1992), Plant Physiol., 99, 1520-1525.
    View publication on PubMedView publication on EuropePMC

Inhibitors

Inhibitors Comment Organism Structure
Aminooxyacetate 1 mM, 98% inhibition Hordeum vulgare
Glutarate 10 mM, 94% inhibition Hordeum vulgare
Semicarbazide 10 mM, 97% inhibition Hordeum vulgare

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.06
-
pyruvate pH 8.0, 23°C Hordeum vulgare
1
-
glutamate pH 8.0, 23°C Hordeum vulgare
5
-
2-oxoglutarate pH 8.0, 23°C Hordeum vulgare
17
-
alanine pH 8.0, 23°C Hordeum vulgare

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
50000
-
2 * 50000, SDS-PAGE Hordeum vulgare
97000
-
gel filtration Hordeum vulgare

Organism

Organism UniProt Comment Textmining
Hordeum vulgare
-
4 isoforms
-

Purification (Commentary)

Purification (Comment) Organism
anaerobically induced isoform, ammonium sulfate, gel filtration, Q-Sepharose, Mono P, Mono Q Hordeum vulgare

Source Tissue

Source Tissue Comment Organism Textmining
root
-
Hordeum vulgare
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2231
-
-
Hordeum vulgare

Storage Stability

Storage Stability Organism
-20°C, 10% glycerol, half-life of 2 weeks Hordeum vulgare

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-alanine + 2-oxoglutarate highly specific for alanine and 2-oxoglutarate Hordeum vulgare pyruvate + L-glutamate
-
?
L-alanine + 2-oxoglutarate cannot use glyoxylate as keto donor Hordeum vulgare pyruvate + L-glutamate
-
?

Subunits

Subunits Comment Organism
dimer 2 * 50000, SDS-PAGE Hordeum vulgare

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8 8.3 with alanine and 2-oxoglutarate Hordeum vulgare

Cofactor

Cofactor Comment Organism Structure
additional information anaerobically induced isoform does not require the presence of pyridoxal 5'-phosphate to retain its activity Hordeum vulgare