Complex sentence: Mutations in the "ACADS" gene lead to inadequate levels of an enzyme called short-chain acyl-CoA dehydrogenase, which is important for the breakdown of short-chain fatty acids.
Split into simpler sentences: Mutations in the "ACADS" gene lead to inadequate levels of an enzyme called short-chain acyl-CoA dehydrogenase. This enzyme is important for the breakdown of short-chain fatty acids.