Artikel: Acetolactate decarboxylase GudangMovies21 Rebahinxxi

  • Source: Acetolactate decarboxylase

    • The enzyme acetolactate decarboxylase (EC 4.1.1.5) catalyzes the chemical reaction

    (S)-2-hydroxy-2-methyl-3-oxobutanoate



    ⇌


    {\displaystyle \rightleftharpoons }

    (R)-2-acetoin + CO2
    Hence, this enzyme has one substrate, (S)-2-hydroxy-2-methyl-3-oxobutanoate, and two products, (R)-2-acetoin and CO2.
    This enzyme belongs to the family of lyases, specifically the carboxy-lyases, which cleave carbon-carbon bonds. The systematic name of this enzyme class is (S)-2-hydroxy-2-methyl-3-oxobutanoate carboxy-lyase [(R)-2-acetoin-forming]. Other names in common use include alpha-acetolactate decarboxylase, and (S)-2-hydroxy-2-methyl-3-oxobutanoate carboxy-lyase. This enzyme participates in butanoate metabolism and c5-branched dibasic acid metabolism.


    Structural studies


    As of late 2007, only one structure has been solved for this class of enzymes, with the PDB accession code 1XV2.


    References



    Stormer FC (1967). "Isolation of crystalline pH 6 acetolactate-forming enzyme from Aerobacter aerogenes". J. Biol. Chem. 242 (8): 1756–9. doi:10.1016/S0021-9258(18)96065-5. PMID 6024768.

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