Annotations: 3B0P

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	DHO_dh	e3b0pA1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: DHO_dh	ECOD (1.6)
B	DHO_dh	e3b0pB1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: DHO_dh	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (4.3.0)
A	1.20.120.1460	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)		CATH (4.3.0)
B	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (4.3.0)
B	1.20.120.1460	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01207	Dihydrouridine synthase (Dus) (Dus)	Dihydrouridine synthase (Dus)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	tRNA-dihydrouridine synthase	binding nucleotide binding FMN binding nucleoside phosphate binding ion binding organic cyclic compound binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding RNA binding tRNA binding nucleic acid binding binding nucleotide binding FMN binding nucleoside phosphate binding ion binding organic cyclic compound binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding RNA binding tRNA binding nucleic acid binding oxidoreductase activity oxidoreductase activity, acting on the CH-CH group of donors, NAD or NADP as acceptor catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid catalytic activity, acting on a tRNA RNA dihydrouridine synthase activity oxidoreductase activity, acting on the CH-CH group of donors tRNA-dihydrouridine20a synthase activity catalytic activity tRNA dihydrouridine synthase activity tRNA-dihydrouridine20 synthase activity flavin adenine dinucleotide binding	cellular biosynthetic process RNA metabolic process tRNA dihydrouridine synthesis nucleobase-containing compound metabolic process organic substance metabolic process tRNA processing organic substance biosynthetic process RNA processing cellular metabolic process tRNA modification primary metabolic process gene expression macromolecule biosynthetic process nucleic acid metabolic process cellular biosynthetic process RNA metabolic process tRNA dihydrouridine synthesis nucleobase-containing compound metabolic process organic substance metabolic process tRNA processing organic substance biosynthetic process RNA processing cellular metabolic process tRNA modification primary metabolic process gene expression macromolecule biosynthetic process nucleic acid metabolic process tRNA metabolic process organic cyclic compound metabolic process RNA modification biosynthetic process ncRNA metabolic process macromolecule modification nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR001269	tRNA-dihydrouridine synthase	Family
A, B	IPR018517	tRNA-dihydrouridine synthase, conserved site	Conserved Site
A, B	IPR035587	DUS-like, FMN-binding domain	Domain
A, B	IPR004653	tRNA-dihydrouridine(20/20a) synthase	Family
A, B	IPR013785	Aldolase-type TIM barrel	Homologous Superfamily

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.