5.3.3.3	-	
5.3.3.3	bifunctional enzyme possessing 4-hydroxybutyryl-CoA dehydratase and vinylacetyl DELTA-isomerase activity	
5.3.3.3	fatty acid oxidation complex consisting of EC 4.2.1.17, EC 1.1.1.35, EC 2.3.1.16, EC 5.1.2.3, EC 5.3.3.3