Annotations: 3EQQ

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	NTF2-like	8059890	3000472	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	IRS	e3eqqA1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: Nudix	F: IRS	ECOD (v294.1)
A	LYTB	e3eqqA3	A: a/b three-layered sandwiches	X: cradle loop barrel	H: NadA-like/4-hydroxy-3-methylbut-2-enyl diphosphate reductase	T: NadA-like/4-hydroxy-3-methylbut-2-enyl diphosphate reductase	F: LYTB	ECOD (v294.1)
B	IRS	e3eqqB1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: Nudix	F: IRS	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.380.10	Alpha Beta	Alpha-Beta Complex	Naphthalene 1,2-dioxygenase Alpha Subunit	Chain A, domain 1	CATH (4.3.0)
A	2.102.10.10	Mainly Beta	3-layer Sandwich	Rieske Iron-sulfur Protein	Rieske [2Fe-2S] iron-sulphur domain	CATH (4.3.0)
B	3.10.450.50	Alpha Beta	Roll	Nuclear Transport Factor 2	Chain: A,	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Benzene 1,2-dioxygenase subunit alpha	iron-sulfur cluster binding 2 iron, 2 sulfur cluster binding binding metal cluster binding small molecule binding oxidoreductase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen toluene dioxygenase activity catalytic activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of two atoms of oxygen into one donor dioxygenase activity benzene 1,2-dioxygenase activity cation binding transition metal ion binding iron-sulfur cluster binding 2 iron, 2 sulfur cluster binding binding metal cluster binding small molecule binding oxidoreductase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen toluene dioxygenase activity catalytic activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of two atoms of oxygen into one donor dioxygenase activity benzene 1,2-dioxygenase activity cation binding transition metal ion binding iron ion binding ion binding metal ion binding	cellular response to stimulus catabolic process benzene-containing compound metabolic process response to stimulus hydrocarbon catabolic process cellular response to xenobiotic stimulus xenobiotic catabolic process hydrocarbon metabolic process xenobiotic metabolic process response to xenobiotic stimulus cellular response to chemical stimulus response to chemical toluene catabolic process metabolic process cellular response to stimulus catabolic process benzene-containing compound metabolic process response to stimulus hydrocarbon catabolic process cellular response to xenobiotic stimulus xenobiotic catabolic process hydrocarbon metabolic process xenobiotic metabolic process response to xenobiotic stimulus cellular response to chemical stimulus response to chemical toluene catabolic process metabolic process cellular process toluene metabolic process toluene-containing compound catabolic process xylene catabolic process	-
B	Benzene 1,2-dioxygenase subunit beta	oxidoreductase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen toluene dioxygenase activity catalytic activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of two atoms of oxygen into one donor dioxygenase activity benzene 1,2-dioxygenase activity	cellular response to stimulus catabolic process benzene-containing compound metabolic process response to stimulus oxoacid metabolic process cellular response to xenobiotic stimulus carboxylic acid metabolic process organic acid catabolic process organic acid metabolic process xenobiotic catabolic process xenobiotic metabolic process response to xenobiotic stimulus cellular response to chemical stimulus 3-phenylpropionate catabolic process monocarboxylic acid catabolic process cellular response to stimulus catabolic process benzene-containing compound metabolic process response to stimulus oxoacid metabolic process cellular response to xenobiotic stimulus carboxylic acid metabolic process organic acid catabolic process organic acid metabolic process xenobiotic catabolic process xenobiotic metabolic process response to xenobiotic stimulus cellular response to chemical stimulus 3-phenylpropionate catabolic process monocarboxylic acid catabolic process response to chemical carboxylic acid catabolic process metabolic process cellular process small molecule metabolic process monocarboxylic acid metabolic process small molecule catabolic process hydrocarbon catabolic process hydrocarbon metabolic process toluene catabolic process toluene metabolic process toluene-containing compound catabolic process xylene catabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR017941	Rieske [2Fe-2S] iron-sulphur domain	Domain
A	IPR043266	Ring-hydroxylating dioxygenase, alpha subunit NdoB-like, C-terminal	Domain
A	IPR036922	Rieske [2Fe-2S] iron-sulphur domain superfamily	Homologous Superfamily
A	IPR001663	Aromatic-ring-hydroxylating dioxygenase, alpha subunit	Family
A	IPR015881	Aromatic-ring-hydroxylating dioxygenase ARHD, Rieske 2Fe-2S-binding site	Binding Site
A	IPR015879	Aromatic-ring-hydroxylating dioxygenase, alpha subunit, C-terminal domain	Domain
B	IPR032710	NTF2-like domain superfamily	Homologous Superfamily
B	IPR000391	Ring-hydroxylating dioxygenase beta subunit	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.