2IGA | pdb_00002iga

Structure of Homoprotocatechuate 2,3-Dioxygenase from B. fuscum in complex with reactive intermediates formed via in crystallo reaction with 4-nitrocatechol at low oxygen concentrations.

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
D	d2igad1	Alpha and beta proteins (a+b)	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	Extradiol dioxygenases	Homoprotocatechuate 2,3-dioxygenase	(Brevibacterium fuscum ) [TaxId: 47914 ],	SCOPe (2.08)
C	d2igac1	Alpha and beta proteins (a+b)	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	Extradiol dioxygenases	Homoprotocatechuate 2,3-dioxygenase	(Brevibacterium fuscum ) [TaxId: 47914 ],	SCOPe (2.08)
B	d2igab1	Alpha and beta proteins (a+b)	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	Extradiol dioxygenases	Homoprotocatechuate 2,3-dioxygenase	(Brevibacterium fuscum ) [TaxId: 47914 ],	SCOPe (2.08)
A	d2igaa1	Alpha and beta proteins (a+b)	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	Extradiol dioxygenases	Homoprotocatechuate 2,3-dioxygenase	(Brevibacterium fuscum ) [TaxId: 47914 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	8044428	3000739	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	8044427	3000739	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	8044427	3000739	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	8044428	3000739	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	8044427	3000739	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	8044428	3000739	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	8044428	3000739	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	8044427	3000739	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)
D		e2igaD5	A: Subtilisin-like	X: Subtilisin-like	H: Subtilisin-like	T: V-set	F:	ECOD (20:10:01)
C		e2igaC5	A: Subtilisin-like	X: Subtilisin-like	H: Subtilisin-like	T: V-set	F:	ECOD (20:10:01)
B		e2igaB5	A: Subtilisin-like	X: Subtilisin-like	H: Subtilisin-like	T: V-set	F:	ECOD (20:10:01)
A		e2igaA5	A: Subtilisin-like	X: Subtilisin-like	H: Subtilisin-like	T: V-set	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.10.180.10	Alpha Beta	Roll	2,3-Dihydroxybiphenyl 1,2-Dioxygenase	domain 1	CATH (4.3.0)
D	4.10.1270.10	Few Secondary Structures	Irregular	homoprotocatechuate 2,3-dioxygenase fold	homoprotocatechuate 2,3-dioxygenase domains	CATH (4.3.0)
C	3.10.180.10	Alpha Beta	Roll	2,3-Dihydroxybiphenyl 1,2-Dioxygenase	domain 1	CATH (4.3.0)
C	4.10.1270.10	Few Secondary Structures	Irregular	homoprotocatechuate 2,3-dioxygenase fold	homoprotocatechuate 2,3-dioxygenase domains	CATH (4.3.0)
B	3.10.180.10	Alpha Beta	Roll	2,3-Dihydroxybiphenyl 1,2-Dioxygenase	domain 1	CATH (4.3.0)
B	4.10.1270.10	Few Secondary Structures	Irregular	homoprotocatechuate 2,3-dioxygenase fold	homoprotocatechuate 2,3-dioxygenase domains	CATH (4.3.0)
A	3.10.180.10	Alpha Beta	Roll	2,3-Dihydroxybiphenyl 1,2-Dioxygenase	domain 1	CATH (4.3.0)
A	4.10.1270.10	Few Secondary Structures	Irregular	homoprotocatechuate 2,3-dioxygenase fold	homoprotocatechuate 2,3-dioxygenase domains	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Homoprotocatechuate 2,3-dioxygenase	oxidoreductase activity catalytic activity dioxygenase activity cation binding ion binding binding metal ion binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR050383	Glyoxalase I/Fosfomycin Resistance Protein Families	Family
A, B, C, D	IPR037523	Vicinal oxygen chelate (VOC), core domain	Domain
A, B, C, D	IPR011981	3,4-dihydroxyphenylacetate 2,3-dioxygenase, Mn/Fe-type	Family
A, B, C, D	IPR029068	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	Homologous Superfamily
A, B, C, D	IPR004360	Glyoxalase/fosfomycin resistance/dioxygenase domain	Domain
A, B, C, D	IPR044904	3,4-dihydroxyphenylacetate 2,3-dioxygenase, C-terminal domain superfamily	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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.