The sixth pass through the beta-oxidation spiral picks up where the last left off with the saturated fatty acid hexanoyl-CoA and produces butanoyl-CoA. Four enzymatic steps are required starting with SCAD CoA dehydrogenase (Short Chain) activity, followed by the enoyl-CoA hydratase activity of crotonase, the 3-hydroxyacyl-CoA dehydrogenase activity of the short chain 3-hydroxyacyl-CoA dehydrogenase (SCHAD), and completed by the ketoacyl-CoA thiolase activity, present in the mitochondrial membrane associated trifunctional protein.
Beaudet, AL, Scriver, CR, Sly, WS, Valle, D
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