1KQD

Structure of Nitroreductase from E. cloacae Bound with 2e-Reduced Flavin Mononucleotide (FMN)

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1kqda_	Alpha and beta proteins (a+b)	FMN-dependent nitroreductase-like	FMN-dependent nitroreductase-like	NADH oxidase/flavin reductase	Oxygen-insensitive NAD(P)H nitroreductase	(Enterobacter cloacae ) [TaxId: 550 ],	SCOPe (2.08)
D	d1kqdd_	Alpha and beta proteins (a+b)	FMN-dependent nitroreductase-like	FMN-dependent nitroreductase-like	NADH oxidase/flavin reductase	Oxygen-insensitive NAD(P)H nitroreductase	(Enterobacter cloacae ) [TaxId: 550 ],	SCOPe (2.08)
B	d1kqdb_	Alpha and beta proteins (a+b)	FMN-dependent nitroreductase-like	FMN-dependent nitroreductase-like	NADH oxidase/flavin reductase	Oxygen-insensitive NAD(P)H nitroreductase	(Enterobacter cloacae ) [TaxId: 550 ],	SCOPe (2.08)
C	d1kqdc_	Alpha and beta proteins (a+b)	FMN-dependent nitroreductase-like	FMN-dependent nitroreductase-like	NADH oxidase/flavin reductase	Oxygen-insensitive NAD(P)H nitroreductase	(Enterobacter cloacae ) [TaxId: 550 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	FMN-dependent nitroreductase-like	8038388	3001947	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	FMN-dependent nitroreductase-like	8038388	3001947	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	FMN-dependent nitroreductase-like	8038388	3001947	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	FMN-dependent nitroreductase-like	8038388	3001947	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	Nitroreductase	e1kqdA1	A: a+b two layers	X: Alpha-beta plaits	H: FMN-dependent nitroreductase-like (From Topology)	T: FMN-dependent nitroreductase-like	F: Nitroreductase	ECOD (1.6)
D	Nitroreductase	e1kqdD1	A: a+b two layers	X: Alpha-beta plaits	H: FMN-dependent nitroreductase-like (From Topology)	T: FMN-dependent nitroreductase-like	F: Nitroreductase	ECOD (1.6)
B	Nitroreductase	e1kqdB1	A: a+b two layers	X: Alpha-beta plaits	H: FMN-dependent nitroreductase-like (From Topology)	T: FMN-dependent nitroreductase-like	F: Nitroreductase	ECOD (1.6)
C	Nitroreductase	e1kqdC1	A: a+b two layers	X: Alpha-beta plaits	H: FMN-dependent nitroreductase-like (From Topology)	T: FMN-dependent nitroreductase-like	F: Nitroreductase	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.109.10	Alpha Beta	3-Layer(aba) Sandwich	NADH Oxidase	NADH Oxidase	CATH (4.3.0)
D	3.40.109.10	Alpha Beta	3-Layer(aba) Sandwich	NADH Oxidase	NADH Oxidase	CATH (4.3.0)
B	3.40.109.10	Alpha Beta	3-Layer(aba) Sandwich	NADH Oxidase	NADH Oxidase	CATH (4.3.0)
C	3.40.109.10	Alpha Beta	3-Layer(aba) Sandwich	NADH Oxidase	NADH Oxidase	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00881	Nitroreductase family (Nitroreductase)	Nitroreductase family	The nitroreductase family comprises a group of FMN- or FAD-dependent and NAD(P)H-dependent enzymes able to metabolize nitrosubstituted compounds.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	OXYGEN-INSENSITIVE NAD(P)H NITROREDUCTASE	oxidoreductase activity catalytic activity	2,4,6-trinitrotoluene catabolic process catabolic process benzene-containing compound metabolic process trinitrotoluene metabolic process nitrotoluene catabolic process trinitrotoluene catabolic process toluene-containing compound metabolic process 2,4,6-trinitrotoluene metabolic process metabolic process cellular process nitrotoluene metabolic process toluene-containing compound catabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR050627	Nitroreductase/BluB	Family
A, B, C, D	IPR029479	Nitroreductase	Domain
A, B, C, D	IPR000415	Nitroreductase-like	Homologous Superfamily
A, B, C, D	IPR033878	Oxygen-insensitive NAD(P)H nitroreductase NfsB-like	Domain

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.