SAXSdb — 3o1q

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

Urease accessory protein ureF

Helicobacter pylori

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	water × 2	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	UREF_HELPY
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–254； UniProt 1–254 Author chain B； PDBConstruct 1–254； UniProt 1–254 Author chain C； PDBConstruct 1–254； UniProt 1–254

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	3o1q
Deposition date deposition_date	2010-07-21
Structure title title	Native Crystal Structure of Helicobacter pylori Urease Accessory Protein UreF
Keywords keywords	urease maturation, 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.

3o1q__assembly_1__model_1

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

Download this curve (.dat)

3o1q__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3o1q__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	23.29 Å
Rg (electron density)	22.16 Å
Total Rg	23.21 Å
Atom count	3328
Residues	420
Excluded volume	59758 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3o1q__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3o1q__assembly_2__model_1`	dimeric （2）	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 (2)

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6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id	3o1qA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	4190 — Urease accessory protein UreF
Homologous superfamily homologous superfamily	10 — Urease accessory protein UreF

Domain ID domain_id	3o1qB00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	4190 — Urease accessory protein UreF
Homologous superfamily homologous superfamily	10 — Urease accessory protein UreF

Domain ID domain_id	3o1qC00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	4190 — Urease accessory protein UreF
Homologous superfamily homologous superfamily	10 — Urease accessory protein UreF

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Unit-cell length a length_a	135.328 Å
Unit-cell length b length_b	89.997 Å
Unit-cell length c length_c	66.950 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	94.56 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	12

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	1.850 Å
Low-resolution limit resolution_low	40.225 Å
R factor r_factor	0.1699
R_work r_work	0.1687
R_free r_free	0.2083

Description description	Urease accessory protein ureF
Molecular weight formula_weight	28651.8 kDa
Source method src_method	man
Copy count entity_count	3

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	5667

Native Crystal Structure of Helicobacter pylori Urease Accessory Protein UreF

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

Urease accessory protein ureF

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

3o1q__assembly_1__model_1

3o1q__assembly_1__model_1 | I(q)

3o1q__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

7. Citations (1)

Source organism organism	Helicobacter pylori
Common name common_name	Campylobacter pylori
NCBI taxonomy ID ncbi_taxonomy_id	210
Host organism host_organism	Escherichia coli

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	690

Native Crystal Structure of Helicobacter pylori Urease Accessory Protein UreF

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

Urease accessory protein ureF

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

3o1q__assembly_1__model_1

3o1q__assembly_1__model_1 | I(q)

3o1q__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

7. Citations (1)