Term Name:	4-hydroxybutyrate dehydrogenase activity
Synonyms:	4-hydroxybutanoate:NAD+ oxidoreductase activity, gamma-hydroxybutyrate dehydrogenase activity
Definition:	Catalysis of the reaction: 4-hydroxybutanoate + NAD+ = H+ + NADH + succinate semialdehyde.
Ontology:	GO: Molecular Function [GO:0047577]    QuickGO    AmiGO