Annotations: 4PTZ

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth C]	FMN_red	e4ptzC1	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 A]	FMN_red	e4ptzA1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Flavoproteins/Phosphotyrosine protein phosphatases-like	T: Flavoproteins	F: FMN_red	ECOD (1.6)
C [auth B]	FMN_red	e4ptzB1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Flavoproteins/Phosphotyrosine protein phosphatases-like	T: Flavoproteins	F: FMN_red	ECOD (1.6)
D	FMN_red	e4ptzD1	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 [auth C]	3.40.50.360	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Flavodoxin domain	CATH (4.3.0)
B [auth A]	3.40.50.360	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Flavodoxin domain	CATH (4.3.0)
C [auth B]	3.40.50.360	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Flavodoxin domain	CATH (4.3.0)
D	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 [auth C], B [auth A], C [auth B], D	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 [auth C], B [auth A], C [auth B], D	FMN reductase SsuE	identical protein binding protein binding binding protein homodimerization activity protein dimerization activity oxidoreductase activity FMN reductase (NADPH) activity oxidoreductase activity, acting on the CH-NH group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on the CH-NH group of donors catalytic activity FMN reductase (NAD(P)H) activity	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process cellular response to nutrient levels response to nutrient levels cellular response to sulfate starvation response to starvation cellular response to starvation catabolic process cellular metabolic process organic acid metabolic process cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process cellular response to nutrient levels response to nutrient levels cellular response to sulfate starvation response to starvation cellular response to starvation catabolic process cellular metabolic process organic acid metabolic process organic acid catabolic process cellular catabolic process sulfur compound catabolic process organic substance metabolic process sulfur compound metabolic process metabolic process small molecule metabolic process alkanesulfonate catabolic process small molecule catabolic process organic substance catabolic process alkanesulfonate metabolic process	FMN reductase complex protein-containing complex intracellular anatomical structure catalytic complex oxidoreductase complex cytoplasm cellular anatomical entity cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth C], B [auth A], C [auth B], D	IPR020048	NADPH-dependent FMN reductase, SsuE	Family
A [auth C], B [auth A], C [auth B], D	IPR029039	Flavoprotein-like superfamily	Homologous Superfamily
A [auth C], B [auth A], C [auth B], D	IPR005025	NADPH-dependent FMN reductase-like	Domain

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.