The enzyme <small>L</small>-2-amino-4-chloropent-4-enoate dehydrochlorinase (EC 4.5.1.4) catalyzes the reaction
This enzyme belongs to the family of lyases, specifically the class of carbon-halide lyases. The systematic name of this enzyme class is <small>L</small>-2-amino-4-chloropent-4-enoate chloride-lyase (adding water; deaminating; 2-oxopent-4-enoate-forming). Other names in common use include <small>L</small>-2-amino-4-chloro-4-pentenoate dehalogenase, and <small>L</small>-2-amino-4-chloropent-4-enoate chloride-lyase (deaminating).