abstract:(2,2,3-trimethyl-5-oxocyclopent-3-enyl)acetyl-CoA synthase (, 2-oxo-Delta3-4,5,5-trimethylcyclopentenylacetyl-CoA synthetase) is an enzyme with system name ((1R)-2,2,3-trimethyl-5-oxocyclopent-3-enyl)acetate:CoA ligase (AMP-forming). This enzyme catalyses the following chemical reaction