Acetylenedicarboxylate decarboxylase
The enzyme acetylenedicarboxylate decarboxylase (EC 4.1.1.78) catalyzes the chemical reaction acetylenedicarboxylate + H2O ⇌ {\displaystyle \rightleftharpoons } pyruvate + CO2 This enzyme belongs to the family of lyases, specifically the carboxy-lyases, which cleave carbon-carbon bonds. The systematic name of this enzyme class is acetylenedicarboxylate carboxy-lyase (pyruvate-forming).
Source: Wikipedia — Acetylenedicarboxylate decarboxylase (CC BY-SA 4.0)