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Literature summary extracted from

  • Oda, Y.; Nakano, Y.; Kitaoka, S.
    Properties and regulation of valine-sensitive acetolactate synthase from mitochondria of Euglena gracilis (1982), J. Gen. Microbiol., 128, 1211-1216.
No PubMed abstract available

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.2.1.6 2-mercaptoethanol stimulates Euglena gracilis
2.2.1.6 dithiothreitol stimulates Euglena gracilis

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.2.1.6 2-oxobutanoate inhibits formation of acetolactate from pyruvate Euglena gracilis
2.2.1.6 Ile 5 mM, 32% inhibition Euglena gracilis
2.2.1.6 L-2-aminobutanoate 5 mM, 21% inhibition Euglena gracilis
2.2.1.6 L-Thr 5 mM, 6.6% inhibition Euglena gracilis
2.2.1.6 Leu 5 mM, 23% inhibition Euglena gracilis
2.2.1.6 Val 5 mM, 89% inhibition; feed-back inhibition; noncompetitive Euglena gracilis

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.2.1.6 2.1
-
pyruvate
-
Euglena gracilis

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
2.2.1.6 mitochondrion
-
Euglena gracilis 5739
-

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.2.1.6 pyruvate Euglena gracilis key enzyme in synthesis of branched-chain amino acids ?
-
?

Organism

EC Number Organism UniProt Comment Textmining
2.2.1.6 Euglena gracilis
-
-
-

Storage Stability

EC Number Storage Stability Organism
2.2.1.6 4°C, 24 h, 36% loss of activity Euglena gracilis

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.2.1.6 pyruvate
-
Euglena gracilis 2-acetolactate + CO2
-
?
2.2.1.6 pyruvate key enzyme in synthesis of branched-chain amino acids Euglena gracilis ?
-
?
2.2.1.6 pyruvate + 2-oxobutanoate much higher affinity for 2-oxobutanoate than for pyruvate Euglena gracilis acetohydroxybutanoate
-
?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
2.2.1.6 50
-
-
Euglena gracilis

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.2.1.6 7.5
-
-
Euglena gracilis

Cofactor

EC Number Cofactor Comment Organism Structure
2.2.1.6 ATP activates Euglena gracilis