5.3.3.3 oligomer 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, SDS-PAGE 2213 5.3.3.3 tetramer 4 * 56000, bifunctional enzyme possessing 4-hydroxybutyryl-CoA dehydratase and vinylacetyl DELTA-isomerase activity, SDS-PAGE 2966 5.3.3.3 tetramer 4 * 59000, bifunctional enzyme possessing 4-hydroxybutyryl-CoA dehydratase and vinylacetyl DELTA-isomerase activity, SDS-PAGE 2965