Acyl-CoA dehydrogenase FadE26

UniProtKB accession:  I6YCA3

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UniProtKB description:  Involved in the first cycle of side chain dehydrogenation in the beta-oxidation of cholesterol catabolism (PubMed:26161441). It contributes partly to the virulence by increasing the efficiency of beta-oxidation. Catalyzes the dehydrogenation of acyl-CoA ester side chains of (25S)-3-oxo-cholest-4-en-26-oyl-CoA (3-OCS-CoA) to yield (24E)-3-oxo-cholest-4,24-dien-26-oyl-CoA (PubMed:26161441, PubMed:26348625). Also able to dehydrogenate steroyl-CoA such as 3-oxo-chol-4-en-24-oyl-CoA (3-OCO-CoA) as well as 3-oxo-4-pregnene-20-carboxyl-CoA (3-OPC-CoA) (PubMed:26161441). It dehydrogenates only (25S)-OCS-CoA diastereomer (Probable).