Annotations: 4DY4

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4dy4a_	Alpha and beta proteins (a/b)	Flavodoxin-like	Flavoproteins	WrbA-like	automated matches	(Escherichia coli APEC O1 ) [TaxId: 405955 ],	SCOPe (2.08)
B [auth C]	d4dy4c_	Alpha and beta proteins (a/b)	Flavodoxin-like	Flavoproteins	WrbA-like	automated matches	(Escherichia coli APEC O1 ) [TaxId: 405955 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	WrbA-like	8066682	4003377	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Flavoproteins	8066683	3001217	SCOP2 (2022-06-29)
B [auth C]	SCOP2B Superfamily	Flavoproteins	8066683	3001217	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	FMN_red	e4dy4A1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Flavoproteins/Phosphotyrosine protein phosphatases-like	T: Flavoproteins	F: FMN_red	ECOD (1.6)
B [auth C]	FMN_red	e4dy4C1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Flavoproteins/Phosphotyrosine protein phosphatases-like	T: Flavoproteins	F: FMN_red	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.360	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Flavodoxin domain	CATH (4.3.0)
B [auth C]	3.40.50.360	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Flavodoxin domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B [auth C]	PF03358	NADPH-dependent FMN reductase (FMN_red)	NADPH-dependent FMN reductase	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B [auth C]	Flavoprotein wrbA	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 oxidoreductase activity NAD(P)H dehydrogenase (quinone) activity oxidoreductase activity, acting on NAD(P)H 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 oxidoreductase activity NAD(P)H dehydrogenase (quinone) activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor catalytic activity purine nucleotide binding adenyl nucleotide binding NADP binding NAD binding flavin adenine dinucleotide binding	-	cellular anatomical structure membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B [auth C]	IPR010089	Flavoprotein WrbA-like	Family
A, B [auth C]	IPR029039	Flavoprotein-like superfamily	Homologous Superfamily
A, B [auth C]	IPR005025	NADPH-dependent FMN reductase-like domain	Domain
A, B [auth C]	IPR008254	Flavodoxin/nitric oxide synthase	Domain
A, B [auth C]	IPR037513	NAD(P)H dehydrogenase (quinone), prokaryotic	Family

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.