4.1.1.78: acetylenedicarboxylate decarboxylase
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Reaction
Synonyms
acetylenedicarboxylate hydrase, EC 4.2.1.72, hydratase, acetylenedicarboxylate
ECTree
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Systematic Name
Systematic Name on EC 4.1.1.78 - acetylenedicarboxylate decarboxylase
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acetylenedicarboxylate carboxy-lyase (pyruvate-forming)
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.