Annotations: 4REU

Revelation of Endogenously bound Fe2+ ions in the Crystal Structure of Ferritin from Escherichia coli

External Resource: Annotation

Domain Annotation: SCOP/SCOPe 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)
F	d4reuf_	All alpha proteins	Ferritin-like	Ferritin-like	Ferritin	Non-hem ferritin	(Escherichia coli str. K-12 substr. MDS42 ) [TaxId: 1110693 ],	SCOPe (2.08)
E	d4reue_	All alpha proteins	Ferritin-like	Ferritin-like	Ferritin	Non-hem ferritin	(Escherichia coli str. K-12 substr. MDS42 ) [TaxId: 1110693 ],	SCOPe (2.08)
D	d4reud_	All alpha proteins	Ferritin-like	Ferritin-like	Ferritin	Non-hem ferritin	(Escherichia coli str. K-12 substr. MDS42 ) [TaxId: 1110693 ],	SCOPe (2.08)
C	d4reuc_	All alpha proteins	Ferritin-like	Ferritin-like	Ferritin	Non-hem ferritin	(Escherichia coli str. K-12 substr. MDS42 ) [TaxId: 1110693 ],	SCOPe (2.08)
B	d4reub_	All alpha proteins	Ferritin-like	Ferritin-like	Ferritin	Non-hem ferritin	(Escherichia coli str. K-12 substr. MDS42 ) [TaxId: 1110693 ],	SCOPe (2.08)
A	d4reua_	All alpha proteins	Ferritin-like	Ferritin-like	Ferritin	Non-hem ferritin	(Escherichia coli str. K-12 substr. MDS42 ) [TaxId: 1110693 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
F	Rhv	e4reuF1	A: alpha arrays	X: Insertion subdomain in DsbA-like	H: Insertion subdomain in DsbA-like	T: Insertion subdomain in DsbA-like	F: Rhv	ECOD (v295.2)
E	Rhv	e4reuE1	A: alpha arrays	X: Insertion subdomain in DsbA-like	H: Insertion subdomain in DsbA-like	T: Insertion subdomain in DsbA-like	F: Rhv	ECOD (v295.2)
D	Rhv	e4reuD1	A: alpha arrays	X: Insertion subdomain in DsbA-like	H: Insertion subdomain in DsbA-like	T: Insertion subdomain in DsbA-like	F: Rhv	ECOD (v295.2)
C	Rhv	e4reuC1	A: alpha arrays	X: Insertion subdomain in DsbA-like	H: Insertion subdomain in DsbA-like	T: Insertion subdomain in DsbA-like	F: Rhv	ECOD (v295.2)
B	Rhv	e4reuB1	A: alpha arrays	X: Insertion subdomain in DsbA-like	H: Insertion subdomain in DsbA-like	T: Insertion subdomain in DsbA-like	F: Rhv	ECOD (v295.2)
A	Rhv	e4reuA1	A: alpha arrays	X: Insertion subdomain in DsbA-like	H: Insertion subdomain in DsbA-like	T: Insertion subdomain in DsbA-like	F: Rhv	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
F	1.20.1260.10	Mainly Alpha	Up-down Bundle	Ferritin	Ferritin, core subunit, four-helix bundle	CATH (4.3.0)
E	1.20.1260.10	Mainly Alpha	Up-down Bundle	Ferritin	Ferritin, core subunit, four-helix bundle	CATH (4.3.0)
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, E A, B, C, D, E, F	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, E A, B, C, D, E, F	Ferritin	molecular sequestering activity iron ion sequestering activity metal ion sequestering activity cation binding transition metal ion binding iron ion binding ion binding binding ferrous iron binding metal ion binding small molecule binding ferric iron binding oxidoreductase activity, acting on metal ions oxidoreductase activity molecular sequestering activity iron ion sequestering activity metal ion sequestering activity cation binding transition metal ion binding iron ion binding ion binding binding ferrous iron binding metal ion binding small molecule binding ferric iron binding oxidoreductase activity, acting on metal ions oxidoreductase activity ferroxidase activity oxidoreductase activity, acting on metal ions, oxygen as acceptor catalytic activity identical protein binding protein binding	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process intracellular iron ion homeostasis inorganic ion homeostasis cellular homeostasis chemical homeostasis homeostatic process intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process intracellular iron ion homeostasis inorganic ion homeostasis cellular homeostasis chemical homeostasis homeostatic process intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis localization transport iron ion transport transition metal ion transport monoatomic ion transport monoatomic cation transport establishment of localization metal ion transport cellular response to iron ion cellular response to metal ion cellular response to chemical stimulus response to metal ion response to iron ion response to chemical response to oxidative stress	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F	IPR009040	Ferritin-like diiron domain	Domain
A, B, C, D, E A, B, C, D, E, F	IPR041719	Ferritin, prokaryotic-type	Family
A, B, C, D, E A, B, C, D, E, F	IPR012347	Ferritin-like	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR009078	Ferritin-like superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR008331	Ferritin/DPS domain	Domain
A, B, C, D, E A, B, C, D, E, F	IPR001519	Ferritin	Family

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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.