Term Name:	(S)-usnate reductase activity
Synonyms:	L-usnic acid dehydrogenase activity, reduced-(S)-usnate:NAD+ oxidoreductase (ether-bond-forming)
Definition:	Catalysis of the reaction: (6R)-2-acetyl-6-(3-acetyl-2,4,6-trihydroxy-5-methylphenyl)-3-hydroxy-6-methylcyclohexa-2,4-dien-1-one + NAD+ = (S)-usnate + 2 H+ + NADH.
Ontology:	GO: Molecular Function [GO:0046998]    QuickGO    AmiGO