SSADH deficiency in an Italian family: a novel ALDH5A1 gene mutation affecting the succinic semialdehyde substrate binding site.

Abstract excerpt

SSADH deficiency (SSADHD) is a rare autosomal recessively inherited metabolic disorder. It is associated with mutations of ALDH5A1 gene, coding for the homotetrameric enzyme SSADH. This enzyme is involved in γ-aminobutyric acid (GABA) catabolism, since it oxidizes succinic semialdehyde (SSA) to succinate. Mutations in ALDH5A1 gene result in the abnormal accumulation of γ-hydroxybutyrate (GHB), which is...

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