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  • Source: Carboxy-lyases
  • Carboxy-lyases, also known as decarboxylases, are carbon–carbon lyases that add or remove a carboxyl group from organic compounds. These enzymes catalyze the decarboxylation of amino acids and alpha-keto acids.


    Classification and nomenclature


    Carboxy-lyases are categorized under EC number 4.1.1.
    Usually, they are named after the substrate whose decarboxylation they catalyze, for example pyruvate decarboxylase catalyzes the decarboxylation of pyruvate.


    Examples


    Aromatic-L-amino-acid decarboxylase
    Glutamate decarboxylase
    Histidine decarboxylase
    Ornithine decarboxylase
    Phosphoenolpyruvate carboxylase
    Pyruvate decarboxylase
    RuBisCO – the only carboxylase that leads to a net fixation of carbon dioxide
    Uridine monophosphate synthetase
    Uroporphyrinogen III decarboxylase
    enoyl-CoA carboxylases/reductases (ECRs)


    See also


    Enzymes
    Lyases
    List of EC numbers of enzymes belonging to category EC 4.1


    References




    External links


    Carboxy-Lyases at the U.S. National Library of Medicine Medical Subject Headings (MeSH)

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carboxy lyases