ID   4.1.1.78
DE   acetylenedicarboxylate decarboxylase.
AN   acetylenedicarboxylate carboxy-lyase.
AN   acetylenedicarboxylate hydratase.
CA   acetylenedicarboxylate + H(+) + H2O = CO2 + pyruvate.
CC   -!- The mechanism appears to involve hydration of the acetylene and
CC       decarboxylation of the oxaloacetic acid formed, although free
CC       oxaloacetate is not an intermediate.
CC   -!- It is thus analogous to EC 4.2.1.71 in its mechanism.
CC   -!- Formerly EC 4.2.1.72.
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