3E1M

Crystal structure of E. coli Bacterioferritin (BFR) obtained after soaking APO-BFR crystals for 2.5 minutes in FE2+ (2.5M FE(II)-BFR)

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)
A	d3e1ma_	All alpha proteins	Ferritin-like	Ferritin-like	Ferritin	Bacterioferritin (cytochrome b1)	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
B	d3e1mb_	All alpha proteins	Ferritin-like	Ferritin-like	Ferritin	Bacterioferritin (cytochrome b1)	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
C	d3e1mc_	All alpha proteins	Ferritin-like	Ferritin-like	Ferritin	Bacterioferritin (cytochrome b1)	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
D	d3e1md_	All alpha proteins	Ferritin-like	Ferritin-like	Ferritin	Bacterioferritin (cytochrome b1)	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
E	d3e1me_	All alpha proteins	Ferritin-like	Ferritin-like	Ferritin	Bacterioferritin (cytochrome b1)	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
F	d3e1mf_	All alpha proteins	Ferritin-like	Ferritin-like	Ferritin	Bacterioferritin (cytochrome b1)	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
G	d3e1mg_	All alpha proteins	Ferritin-like	Ferritin-like	Ferritin	Bacterioferritin (cytochrome b1)	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
H	d3e1mh_	All alpha proteins	Ferritin-like	Ferritin-like	Ferritin	Bacterioferritin (cytochrome b1)	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
I	d3e1mi_	All alpha proteins	Ferritin-like	Ferritin-like	Ferritin	Bacterioferritin (cytochrome b1)	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
J	d3e1mj_	All alpha proteins	Ferritin-like	Ferritin-like	Ferritin	Bacterioferritin (cytochrome b1)	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
K	d3e1mk_	All alpha proteins	Ferritin-like	Ferritin-like	Ferritin	Bacterioferritin (cytochrome b1)	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
L	d3e1ml_	All alpha proteins	Ferritin-like	Ferritin-like	Ferritin	Bacterioferritin (cytochrome b1)	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Ferritin-like	8042427	3001658	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Ferritin-like	8042427	3001658	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Ferritin-like	8042427	3001658	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Ferritin-like	8042427	3001658	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Ferritin-like	8042427	3001658	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Ferritin-like	8042427	3001658	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Ferritin-like	8042427	3001658	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	Ferritin-like	8042427	3001658	SCOP2B (2022-06-29)
I	SCOP2B Superfamily	Ferritin-like	8042427	3001658	SCOP2B (2022-06-29)
J	SCOP2B Superfamily	Ferritin-like	8042427	3001658	SCOP2B (2022-06-29)
K	SCOP2B Superfamily	Ferritin-like	8042427	3001658	SCOP2B (2022-06-29)
L	SCOP2B Superfamily	Ferritin-like	8042427	3001658	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)
A	Ferritin	e3e1mA1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Ferritin	F: Ferritin	ECOD (1.6)
B	Ferritin	e3e1mB1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Ferritin	F: Ferritin	ECOD (1.6)
C	Ferritin	e3e1mC1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Ferritin	F: Ferritin	ECOD (1.6)
D	Ferritin	e3e1mD1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Ferritin	F: Ferritin	ECOD (1.6)
E	Ferritin	e3e1mE1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Ferritin	F: Ferritin	ECOD (1.6)
F	Ferritin	e3e1mF1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Ferritin	F: Ferritin	ECOD (1.6)
G	Ferritin	e3e1mG1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Ferritin	F: Ferritin	ECOD (1.6)
H	Ferritin	e3e1mH1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Ferritin	F: Ferritin	ECOD (1.6)
I	Ferritin	e3e1mI1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Ferritin	F: Ferritin	ECOD (1.6)
J	Ferritin	e3e1mJ1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Ferritin	F: Ferritin	ECOD (1.6)
K	Ferritin	e3e1mK1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Ferritin	F: Ferritin	ECOD (1.6)
L	Ferritin	e3e1mL1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Ferritin	F: Ferritin	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	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)
C	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)
E	1.20.1260.10	Mainly Alpha	Up-down Bundle	Ferritin	Ferritin, core subunit, four-helix bundle	CATH (4.3.0)
F	1.20.1260.10	Mainly Alpha	Up-down Bundle	Ferritin	Ferritin, core subunit, four-helix bundle	CATH (4.3.0)
G	1.20.1260.10	Mainly Alpha	Up-down Bundle	Ferritin	Ferritin, core subunit, four-helix bundle	CATH (4.3.0)
H	1.20.1260.10	Mainly Alpha	Up-down Bundle	Ferritin	Ferritin, core subunit, four-helix bundle	CATH (4.3.0)
I	1.20.1260.10	Mainly Alpha	Up-down Bundle	Ferritin	Ferritin, core subunit, four-helix bundle	CATH (4.3.0)
J	1.20.1260.10	Mainly Alpha	Up-down Bundle	Ferritin	Ferritin, core subunit, four-helix bundle	CATH (4.3.0)
K	1.20.1260.10	Mainly Alpha	Up-down Bundle	Ferritin	Ferritin, core subunit, four-helix bundle	CATH (4.3.0)
L	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, G, H, I, J, K, L	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, G, H, I, J, K, L	BACTERIOFERRITIN	oxidoreductase activity catalytic activity molecular sequestering activity iron ion sequestering activity metal ion sequestering activity identical protein binding protein binding binding protein homodimerization activity protein dimerization activity monoatomic cation transmembrane transporter activity inorganic molecular entity transmembrane transporter activity iron ion transmembrane transporter activity inorganic cation transmembrane transporter activity oxidoreductase activity catalytic activity molecular sequestering activity iron ion sequestering activity metal ion sequestering activity identical protein binding protein binding binding protein homodimerization activity protein dimerization activity monoatomic cation transmembrane transporter activity inorganic molecular entity transmembrane transporter activity iron ion transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity ferrous iron transmembrane transporter activity transporter activity transition metal ion transmembrane transporter activity metal ion transmembrane transporter activity transmembrane transporter activity cation binding ferric iron binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding organic cyclic compound binding tetrapyrrole binding heme binding oxidoreductase activity, acting on metal ions ferroxidase activity oxidoreductase activity, acting on metal ions, oxygen as acceptor	cellular localization inorganic ion homeostasis homeostatic process sequestering of metal ion maintenance of location in cell maintenance of location localization intracellular iron ion homeostasis cellular homeostasis chemical homeostasis sequestering of iron ion intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis cellular localization inorganic ion homeostasis homeostatic process sequestering of metal ion maintenance of location in cell maintenance of location localization intracellular iron ion homeostasis cellular homeostasis chemical homeostasis sequestering of iron ion intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis cellular process intracellular sequestering of iron ion monoatomic cation homeostasis intracellular monoatomic ion homeostasis	cellular anatomical structure membrane 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, G, H, I, J, K, L	IPR009040	Ferritin-like diiron domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	IPR002024	Bacterioferritin	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	IPR012347	Ferritin-like	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	IPR009078	Ferritin-like superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	IPR008331	Ferritin/DPS protein domain	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.