Term Name:	tRNA-dihydrouridine20b synthase activity
Synonyms:
Definition:	Catalysis of the reaction: a 5,6-dihydrouracil20b in tRNA + NAD(P) = H+ + a uracil20b in tRNA + NAD(P)H.
Ontology:	GO: Molecular Function [GO:0102267]    QuickGO    AmiGO