Mitochondrial Trifunctional Protein, alpha Subunit

The alpha subunit of mitochondrial trifunctional protein. It contains both enoyl-CoA hydratase activity (EC 4.2.1.17) and long-chain-3-hydroxyacyl-CoA dehydrogenase activity (EC 1.1.1.211). There are four of these alpha subunits in each mitochondrial trifunctional protein molecule.