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Literature summary for 2.2.1.6 extracted from

  • Grimminger, H.; Umbarger, H.E.
    Acetohydroxy acid synthase I of Escherichia coli: purification and properties (1979), J. Bacteriol., 137, 846-853.
    View publication on PubMedView publication on EuropePMC

Inhibitors

Inhibitors Comment Organism Structure
Val isoenzyme I and III inhibited Escherichia coli

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ required Escherichia coli
Mg2+ Km: 0.06 mM Escherichia coli

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
60000
-
2 * 60000, SDS-PAGE Escherichia coli
130000
-
sucrose density gradient sedimentation, glycerol density gradient sedimentation Escherichia coli

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
isoenzyme I
-

Purification (Commentary)

Purification (Comment) Organism
isoenzyme I Escherichia coli

Storage Stability

Storage Stability Organism
4°C, stable for several days Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
pyruvate
-
Escherichia coli 2-acetolactate + CO2
-
?

Subunits

Subunits Comment Organism
dimer 2 * 60000, SDS-PAGE Escherichia coli

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
isoenzyme I Escherichia coli
8.5
-
isoenzyme III Escherichia coli

Cofactor

Cofactor Comment Organism Structure
FAD required Escherichia coli
FAD Km: 0.0003 mM Escherichia coli
thiamine diphosphate required as cofactor Escherichia coli
thiamine diphosphate Km: 0.0012 mM Escherichia coli