Annotations: 3WRB

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	LigA	e3wrbA2	A: alpha arrays	X: LigA subunit of an aromatic-ring-opening dioxygenase LigAB (From Topology)	H: LigA subunit of an aromatic-ring-opening dioxygenase LigAB (From Topology)	T: LigA subunit of an aromatic-ring-opening dioxygenase LigAB	F: LigA	ECOD (1.6)
A	LigB	e3wrbA1	A: a/b three-layered sandwiches	X: LigB-like (From Topology)	H: LigB-like (From Topology)	T: LigB-like	F: LigB	ECOD (1.6)
B	LigA	e3wrbB2	A: alpha arrays	X: LigA subunit of an aromatic-ring-opening dioxygenase LigAB (From Topology)	H: LigA subunit of an aromatic-ring-opening dioxygenase LigAB (From Topology)	T: LigA subunit of an aromatic-ring-opening dioxygenase LigAB	F: LigA	ECOD (1.6)
B	LigB	e3wrbB1	A: a/b three-layered sandwiches	X: LigB-like (From Topology)	H: LigB-like (From Topology)	T: LigB-like	F: LigB	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.830.10	Alpha Beta	3-Layer(aba) Sandwich	Protocatechuate 4,5-dioxygenase	Chain B	CATH (4.3.0)
A	1.10.700.10	Mainly Alpha	Orthogonal Bundle	Protocatechuate 4,5-dioxygenase	Chain A	CATH (4.3.0)
B	3.40.830.10	Alpha Beta	3-Layer(aba) Sandwich	Protocatechuate 4,5-dioxygenase	Chain B	CATH (4.3.0)
B	1.10.700.10	Mainly Alpha	Orthogonal Bundle	Protocatechuate 4,5-dioxygenase	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02900	Catalytic LigB subunit of aromatic ring-opening dioxygenase (LigB)	Catalytic LigB subunit of aromatic ring-opening dioxygenase	-	Domain
A, B	PF07746	Aromatic-ring-opening dioxygenase LigAB, LigA subunit (LigA)	Aromatic-ring-opening dioxygenase LigAB, LigA subunit	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Gallate dioxygenase	cation binding transition metal ion binding iron ion binding ion binding binding ferrous iron binding metal ion binding small molecule binding oxidoreductase activity catalytic activity dioxygenase activity	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR011986	Extradiol ring-cleavage dioxygenase LigAB, LigA subunit	Domain
A, B	IPR034940	Gallate dioxygenase, C-terminal	Domain
A, B	IPR036622	Dioxygenase LigAB, LigA subunit superfamily	Homologous Superfamily
A, B	IPR034939	Gallate dioxygenase, N-terminal	Domain
A, B	IPR004183	Extradiol ring-cleavage dioxygenase, class III enzyme, subunit B	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.