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Literature summary extracted from

  • Gosling, J.P.; Fottrell, P.F.
    The partial purification and some properties of D-alanine aminotransferase from Rhizobium japonicum (1973), Biochem. Soc. Trans., 1, 252-254.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.6.1.21 p-chloromercuribenzoate 4 mM, 36% inhibition, D-alanine and pyridoxal 5'-phosphate protect to some extent Bradyrhizobium japonicum

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.6.1.21 0.06
-
2-oxoglutarate pH 7.9, 30°C Bradyrhizobium japonicum
2.6.1.21 2.4
-
D-alanine pH 7.9, 30°C Bradyrhizobium japonicum

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
2.6.1.21 60000
-
gel filtration Bradyrhizobium japonicum

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.6.1.21 D-alanine + 2-oxoglutarate Bradyrhizobium japonicum function of the enzyme is probably the provision of D-amino acids for cell-wall synthesis pyruvate + D-glutamate
-
?

Organism

EC Number Organism UniProt Comment Textmining
2.6.1.21 Bradyrhizobium japonicum
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.6.1.21 DEAE-cellulose, Sephadex G-200, partial purification Bradyrhizobium japonicum

Reaction

EC Number Reaction Comment Organism Reaction ID
2.6.1.21 D-alanine + 2-oxoglutarate = pyruvate + D-glutamate ping pong mechanism Bradyrhizobium japonicum

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.6.1.21 D-alanine + 2-oxoglutarate
-
Bradyrhizobium japonicum pyruvate + D-glutamate
-
r
2.6.1.21 D-alanine + 2-oxoglutarate function of the enzyme is probably the provision of D-amino acids for cell-wall synthesis Bradyrhizobium japonicum pyruvate + D-glutamate
-
?
2.6.1.21 D-glutamate + 2-oxoglutarate
-
Bradyrhizobium japonicum 2-oxoglutarate + D-glutamate
-
?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
2.6.1.21 30
-
assay at Bradyrhizobium japonicum

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.6.1.21 7.8 7.9
-
Bradyrhizobium japonicum