SAXSdb — 1jgc

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1. Protein Identity and Related Structures Protein Identity & Related Structures

bacterioferritin

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 24	PROTOPORPHYRIN IX CONTAINING FE × 24 water × 24	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	BFR_RHOCA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–161； UniProt 1–161 Author chain B； PDBConstruct 1–161； UniProt 1–161 Author chain C； PDBConstruct 1–161； UniProt 1–161

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	1jgc
Deposition date deposition_date	2001-06-24
Structure title title	The 2.6 A Structure Resolution of Rhodobacter capsulatus Bacterioferritin with Metal-free Dinuclear Site and Heme Iron in a Crystallographic Special Position
Keywords keywords	Iron storage protein, METAL BINDING PROTEIN; METAL BINDING PROTEIN
Experimental Method method	X-RAY DIFFRACTION

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

1jgc__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1jgc__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1jgc__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	52.23 Å
Rg (electron density)	51.37 Å
Total Rg	51.72 Å
Atom count	31464
Residues	3840
Excluded volume	559360 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1jgc__assembly_1__model_1`	24-meric （24）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (3)

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d1jgca_
Class class	a — All alpha proteins
Fold Fold fold	a.25 — Ferritin-like
Superfamily Superfamily superfamily	a.25.1 — Ferritin-like
Family Family family	a.25.1.1 — Ferritin

Domain ID domain_id	d1jgcb_
Class class	a — All alpha proteins
Fold Fold fold	a.25 — Ferritin-like
Superfamily Superfamily superfamily	a.25.1 — Ferritin-like
Family Family family	a.25.1.1 — Ferritin

Domain ID domain_id	d1jgcc_
Class class	a — All alpha proteins
Fold Fold fold	a.25 — Ferritin-like
Superfamily Superfamily superfamily	a.25.1 — Ferritin-like
Family Family family	a.25.1.1 — Ferritin

CATH v4.4 (3 domains)

Domain ID domain_id	1jgcA00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	1260 — Ferritin
Homologous superfamily homologous superfamily	10 — Ferritin, core subunit, four-helix bundle

Domain ID domain_id	1jgcB00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	1260 — Ferritin
Homologous superfamily homologous superfamily	10 — Ferritin, core subunit, four-helix bundle

Domain ID domain_id	1jgcC00
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	1260 — Ferritin
Homologous superfamily homologous superfamily	10 — Ferritin, core subunit, four-helix bundle

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Unit-cell length a length_a	142.370 Å
Unit-cell length b length_b	142.370 Å
Unit-cell length c length_c	140.880 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	48

Space group space_group	I 4 2 2
Space-group number int_tables_number	97
Crystal system crystal_system	—

Resolution resolution	2.600 Å
Low-resolution limit resolution_low	21.440 Å
R factor r_factor	—
R_work r_work	0.2248
R_free r_free	0.2420

Description description	bacterioferritin
Molecular weight formula_weight	18195.6 kDa
Source method src_method	nat
Copy count entity_count	3

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	3981

The 2.6 A Structure Resolution of Rhodobacter capsulatus Bacterioferritin with Metal-free Dinuclear Site and Heme Iron in a Crystallographic Special Position

1. Protein Identity and Related Structures Protein Identity & Related Structures

bacterioferritin

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

1jgc__assembly_1__model_1

1jgc__assembly_1__model_1 | I(q)

1jgc__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

CATH v4.4 (3 domains)

7. Citations (1)

Description description	PROTOPORPHYRIN IX CONTAINING FE
Molecular weight formula_weight	616.5 kDa
Source method src_method	syn
Copy count entity_count	3

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	21

The 2.6 A Structure Resolution of Rhodobacter capsulatus Bacterioferritin with Metal-free Dinuclear Site and Heme Iron in a Crystallographic Special Position

1. Protein Identity and Related Structures Protein Identity & Related Structures

bacterioferritin

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

1jgc__assembly_1__model_1

1jgc__assembly_1__model_1 | I(q)

1jgc__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

CATH v4.4 (3 domains)

7. Citations (1)