Annotations: 3N9T

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Aromatic compound dioxygenase	8097437	4002137	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Aromatic compound dioxygenase	8097438	3000868	SCOP2 (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	PF00775,PF04444	e3n9tA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Prealbumin-like	F: PF00775,PF04444	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.130.10	Mainly Beta	Sandwich	Protocatechuate 3,4-Dioxygenase, subunit A	Aromatic compound dioxygenase	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF04444	Catechol dioxygenase N terminus (Dioxygenase_N)	Catechol dioxygenase N terminus	-	Family
A	PF00775	Dioxygenase (Dioxygenase_C)	Dioxygenase	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	PnpC	oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen catechol dioxygenase activity oxidoreductase activity catechol 1,2-dioxygenase activity oxidoreductase activity, acting on single donors with incorporation of molecular oxygen catalytic activity dioxygenase activity cation binding ferric iron binding transition metal ion binding iron ion binding ion binding binding metal ion binding oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen catechol dioxygenase activity oxidoreductase activity catechol 1,2-dioxygenase activity oxidoreductase activity, acting on single donors with incorporation of molecular oxygen catalytic activity dioxygenase activity cation binding ferric iron binding transition metal ion binding iron ion binding ion binding binding metal ion binding small molecule binding	organic cyclic compound metabolic process organic substance metabolic process phenol-containing compound metabolic process organic hydroxy compound metabolic process metabolic process catechol-containing compound metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR039390	Hydroxyquinol/catechol 1,2-dioxygenase	Family
A	IPR007535	Catechol dioxygenase, N-terminal	Domain
A	IPR000627	Intradiol ring-cleavage dioxygenase, C-terminal	Domain
A	IPR015889	Intradiol ring-cleavage dioxygenase, core	Homologous Superfamily

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 R01GM133198.