3IQ1 | pdb_00003iq1

Crystal structure of DPS protein from Vibrio cholerae O1, a member of a broad superfamily of ferritin-like diiron-carboxylate proteins

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
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	d3iq1d1	All alpha proteins	Ferritin-like	Ferritin-like	automated matches	automated matches	(Vibrio cholerae O1 biovar El Tor str. N16961 ) [TaxId: 243277 ],	SCOPe (2.08)
D	d3iq1d2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Vibrio cholerae O1 biovar El Tor str. N16961 ) [TaxId: 243277 ],	SCOPe (2.08)
C	d3iq1c1	All alpha proteins	Ferritin-like	Ferritin-like	automated matches	automated matches	(Vibrio cholerae O1 biovar El Tor str. N16961 ) [TaxId: 243277 ],	SCOPe (2.08)
C	d3iq1c2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Vibrio cholerae O1 biovar El Tor str. N16961 ) [TaxId: 243277 ],	SCOPe (2.08)
B	d3iq1b1	All alpha proteins	Ferritin-like	Ferritin-like	automated matches	automated matches	(Vibrio cholerae O1 biovar El Tor str. N16961 ) [TaxId: 243277 ],	SCOPe (2.08)
B	d3iq1b2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Vibrio cholerae O1 biovar El Tor str. N16961 ) [TaxId: 243277 ],	SCOPe (2.08)
A	d3iq1a_	All alpha proteins	Ferritin-like	Ferritin-like	automated matches	automated matches	(Vibrio cholerae O1 biovar El Tor str. N16961 ) [TaxId: 243277 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Ferritin-like	8075834	3001658	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Ferritin-like	8075834	3001658	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Ferritin-like	8075834	3001658	SCOP2B (2022-06-29)
A	SCOP2 Family	Ferritin	8075833	4000839	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Ferritin-like	8075834	3001658	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)
D	HTH_3	e3iq1D1	A: a/b three-layered sandwiches	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: HTH_3	ECOD (v294.1)
C	HTH_3	e3iq1C1	A: a/b three-layered sandwiches	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: HTH_3	ECOD (v294.1)
B	HTH_3	e3iq1B1	A: a/b three-layered sandwiches	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: HTH_3	ECOD (v294.1)
A	PTE	e3iq1A1	A: a/b three-layered sandwiches	X: Spectrin repeat-like	H: SH3	T: SH3	F: PTE	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	1.20.1260.10	Mainly Alpha	Up-down Bundle	Ferritin	Ferritin, core subunit, four-helix bundle	CATH (4.3.0)
C	1.20.1260.10	Mainly Alpha	Up-down Bundle	Ferritin	Ferritin, core subunit, four-helix bundle	CATH (4.3.0)
B	1.20.1260.10	Mainly Alpha	Up-down Bundle	Ferritin	Ferritin, core subunit, four-helix bundle	CATH (4.3.0)
A	1.20.1260.10	Mainly Alpha	Up-down Bundle	Ferritin	Ferritin, core subunit, four-helix bundle	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00210	Ferritin-like domain (Ferritin)	Ferritin-like domain	This family contains ferritins and other ferritin-like proteins such as members of the DPS family and bacterioferritins.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	DPS family protein	oxidoreductase activity, acting on metal ions oxidoreductase activity catalytic activity cation binding ferric iron binding transition metal ion binding iron ion 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	IPR012347	Ferritin-like	Homologous Superfamily
A, B, C, D	IPR009078	Ferritin-like superfamily	Homologous Superfamily
A, B, C, D	IPR002177	DNA-binding protein Dps	Family
A, B, C, D	IPR008331	Ferritin/DPS domain	Domain
A, B, C, D	IPR023188	DNA-binding protein Dps, conserved site	Conserved Site

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.