The enzyme 3-aminobutyryl-CoA ammonia-lyase (EC 4.3.1.14) catalyzes the chemical reaction
This enzyme belongs to the family of lyases, specifically ammonia lyases, which cleave carbon-nitrogen bonds. The systematic name of this enzyme class is <small>L</small>-3-aminobutyryl-CoA ammonia-lyase (crotonoyl-CoA-forming). Other names in common use include <small>L</small>-3-aminobutyryl-CoA deaminase, and <small>L</small>-3-aminobutyryl-CoA ammonia-lyase.