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Literature summary for 6.3.1.2 extracted from

  • Thomas, M.D.; Durbin, R.D.
    Glutamine synthetase from Pseudomonas syringae pv. tabaci: properties and inhibition by tabtoxinine-beta-lactam (1985), J. Gen. Microbiol., 131, 1061-1067.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
ATP
-
Pseudomonas syringae
L-Glu 50-100 mM, substrate inhibition Pseudomonas syringae
Mg2+ inhibits gamma-glutamyl transferase activity Pseudomonas syringae
NH4Cl substrate inhibition at high concentrations Pseudomonas syringae
Tabtoxinine-beta-lactam
-
Pseudomonas syringae

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
60000
-
x * 60000, SDS-PAGE Pseudomonas syringae

Organism

Organism UniProt Comment Textmining
Pseudomonas syringae
-
pv. Tabaci
-

Purification (Commentary)

Purification (Comment) Organism
-
Pseudomonas syringae

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
41.6
-
gamma-glutamylhydroxamate assay Pseudomonas syringae

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + L-Glu + NH4+
-
Pseudomonas syringae ADP + phosphate + L-Gln
-
?

Subunits

Subunits Comment Organism
? x * 60000, SDS-PAGE Pseudomonas syringae

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
60
-
stable for 1 h Pseudomonas syringae