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Literature summary for 2.6.1.21 extracted from

  • Ogawa, T.; Fukuda, M.
    Occurrence of D-amino acid aminotransferase in pea seedlings (1973), Biochem. Biophys. Res. Commun., 52, 998-1002.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
D-cycloserine
-
Pisum sativum
hydroxylamine 1 mM, 74% inhibition Pisum sativum
phenylhydrazine 1 mM; 30% inhibition Pisum sativum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.7
-
D-alanine pH 8.3, 37°C Pisum sativum
4.9
-
2-oxoglutarate pH 8.3, 37°C Pisum sativum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
65000
-
gel filtration Pisum sativum

Organism

Organism UniProt Comment Textmining
Pisum sativum
-
var Alaska
-

Purification (Commentary)

Purification (Comment) Organism
ammonium sulfate, DEAE-Sephadex, partial purification Pisum sativum

Source Tissue

Source Tissue Comment Organism Textmining
seedling
-
Pisum sativum
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.088
-
-
Pisum sativum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-2-aminobutanoate + pyruvate
-
Pisum sativum 2-oxobutanoate + D-alanine
-
?
D-alanine + 2-oxoglutarate
-
Pisum sativum pyruvate + D-glutamate
-
r
D-aminobutanoate + 2-oxoglutarate
-
Pisum sativum oxobutanoate + D-glutamate
-
?
D-aspartate + pyruvate
-
Pisum sativum 2-oxosuccinate + D-alanine
-
?
D-glutamate + pyruvate
-
Pisum sativum 2-oxoglutarate + D-alanine
-
r
D-lysine + pyruvate weak activity Pisum sativum ? + D-alanine
-
?
D-methionine + 2-oxoglutarate weak activity Pisum sativum 4-methylsulfanyl-2-oxobutanoate + D-glutamate
-
?
D-methionine + pyruvate
-
Pisum sativum 4-methylsulfanyl-2-oxobutanoate + L-alanine
-
?
D-phenylalanine + 2-oxoglutarate
-
Pisum sativum phenylpyruvate + D-glutamate
-
?
D-phenylalanine + pyruvate weak activity Pisum sativum phenylpyruvate + D-alanine
-
?
D-tryptophan + 2-oxoglutarate
-
Pisum sativum 3-indole-2-oxopropanoate + D-glutamate
-
?
D-tryptophan + pyruvate
-
Pisum sativum 3-indole-2-oxopropanoate + D-alanine
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
assay at Pisum sativum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.2 8.8 with D-alanine and 2-oxoglutarate Pisum sativum

Cofactor

Cofactor Comment Organism Structure
pyridoxal 5'-phosphate addition of pyridoxal phosphate to the final preparation slightly stimulates Pisum sativum