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Information on EC 4.1.1.78 - acetylenedicarboxylate decarboxylase

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EC Tree
     4 Lyases
         4.1 Carbon-carbon lyases
             4.1.1 Carboxy-lyases
                4.1.1.78 acetylenedicarboxylate decarboxylase
IUBMB Comments
The mechanism appears to involve hydration of the acetylene and decarboxylation of the oxaloacetic acid formed, although free oxaloacetate is not an intermediate. It is thus analogous to EC 4.2.1.27 (acetylenecarboxylate hydratase) in its mechanism.
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The expected taxonomic range for this enzyme is: Pseudomonas sp.
Synonyms
acetylenedicarboxylate hydrase, EC 4.2.1.72, hydratase, acetylenedicarboxylate, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
acetylenedicarboxylate + H2O = pyruvate + CO2
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the mechanism appears to involve hydration of the acetylene and decarboxylation of the oxaloacetic acid formed, although free oxaloacetate is not an intermediate. It is thus analogous to EC 4.2.1.71, acetylenecarboxylate hydratase, in its mechanism. Formerly EC 4.2.1.72
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PATHWAY SOURCE
PATHWAYS
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