Annotations: 3VSG

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	LigB	e3vsgA1	A: a/b three-layered sandwiches	X: LigB-like (From Topology)	H: LigB-like (From Topology)	T: LigB-like	F: LigB	ECOD (1.6)
C	LigB	e3vsgC1	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	LigB	e3vsgB1	A: a/b three-layered sandwiches	X: LigB-like (From Topology)	H: LigB-like (From Topology)	T: LigB-like	F: LigB	ECOD (1.6)
D	LigB	e3vsgD1	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)
C	3.40.830.10	Alpha Beta	3-Layer(aba) Sandwich	Protocatechuate 4,5-dioxygenase	Chain B	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)
D	3.40.830.10	Alpha Beta	3-Layer(aba) Sandwich	Protocatechuate 4,5-dioxygenase	Chain B	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C	PF02900	Catalytic LigB subunit of aromatic ring-opening dioxygenase (LigB)	Catalytic LigB subunit of aromatic ring-opening dioxygenase		Domain
B, D	PF02900	Catalytic LigB subunit of aromatic ring-opening dioxygenase (LigB)	Catalytic LigB subunit of aromatic ring-opening dioxygenase		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C	2-amino-5-chlorophenol 1,6-dioxygenase alpha subunit	oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen oxidoreductase activity oxidoreductase activity, acting on single donors with incorporation of molecular oxygen catalytic activity dioxygenase activity cation binding transition metal ion binding iron ion binding ion binding binding ferrous iron binding metal ion binding small molecule binding	catabolic process metabolic process cellular process	-
B, D	2-amino-5-chlorophenol 1,6-dioxygenase beta subunit	oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen oxidoreductase activity oxidoreductase activity, acting on single donors with incorporation of molecular oxygen catalytic activity dioxygenase activity cation binding transition metal ion binding iron ion binding ion binding binding ferrous iron binding metal ion binding small molecule binding	catabolic process metabolic process cellular process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C	IPR004183	Extradiol ring-cleavage dioxygenase, class III enzyme, subunit B	Domain
B, D	IPR034943	2-aminophenol 1,6-dioxygenase, beta subunit	Family
B, D	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.