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Information on EC 2.3.3.5 - 2-methylcitrate synthase

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EC Tree
     2 Transferases
         2.3 Acyltransferases
             2.3.3 Acyl groups converted into alkyl groups on transfer
                2.3.3.5 2-methylcitrate synthase
IUBMB Comments
The enzyme acts on acetyl-CoA, propanoyl-CoA, butanoyl-CoA and pentanoyl-CoA. The relative rate of condensation of acetyl-CoA and oxaloacetate is 140% of that of propanoyl-CoA and oxaloacetate, but the enzyme is distinct from EC 2.3.3.1, citrate (Si)-synthase. Oxaloacetate cannot be replaced by glyoxylate, pyruvate or 2-oxoglutarate.
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Word Map
The expected taxonomic range for this enzyme is: Bacteria, Eukaryota, Archaea
Synonyms
2-MC synthase, 2-MCS, 2-MCS1, 2-methylcitrate oxaloacetate-lyase, 2-methylcitrate synthase 2, citrate synthase II, EC 4.1.3.31, MCA condensing enzyme, MCS, Methylcitrate synthase, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
propanoyl-CoA + H2O + oxaloacetate = (2S,3S)-2-hydroxybutane-1,2,3-tricarboxylate + CoA
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; the enzyme acts on acetyl-CoA, propanoyl-CoA, butanoyl-CoA and pentanoyl-CoA. The relative rate of condensation of acetyl-CoA and oxaloacetate is 140% of that of propanoyl-CoA and oxaloacetate, but the enzyme has been separated from EC 2.3.3.1 citrate (Si) synthase. Oxaloacetate cannot be replaced by glyoxylate, pyruvate or 2-oxoglutarate
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