<unk>  is an uncommon inherited disorder in which the body cannot properly process the amino acid leucine. Additionally, the disorder prevents the body from making ketones, which are used for energy during fasting.
3-Hydroxy-3-methylglutaryl-CoA lyase deficiency
3-Methylcrotonyl-CoA carboxylase deficiency
3-Hydroxyisobutyryl-CoA deacylase deficiency
2,4 Dienoyl-CoA reductase deficiency
Pyruvate kinase deficiency
Pyruvate carboxylase deficiency
2-Methylbutyryl-CoA dehydrogenase deficiency
Malonyl-CoA decarboxylase deficiency