SAXSdb — 3u6g

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

uncharacterized protein DUF4425

Bacteroides vulgatus

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A6L6K5_BACV8
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–126； UniProt 30–154 Author chain B； PDBConstruct 2–126； UniProt 30–154

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	3u6g
Deposition date deposition_date	2011-10-12
Structure title title	Crystal structure of a domain of unknown function, DUF4425 (BVU_3708) from Bacteroides vulgatus ATCC 8482 at 1.35 A resolution
Keywords keywords	;DUF4425, immunoglobulin-like fold, Structural Genomics, Joint Center for Structural Genomics, JCSG, Protein Structure Initiative, PSI-BIOLOGY, UNKNOWN FUNCTION ;; Structural Genomics, Unknown Function
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.

3u6g__assembly_1__model_1

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

Download this curve (.dat)

3u6g__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3u6g__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	19.14 Å
Rg (electron density)	18.07 Å
Total Rg	18.85 Å
Atom count	1843
Residues	244
Excluded volume	32550 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3u6g__assembly_1__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) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	3u6gA00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	60 — Lipoxygenase-1
Homologous superfamily homologous superfamily	60 —

Domain ID domain_id	3u6gB00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	60 — Lipoxygenase-1
Homologous superfamily homologous superfamily	60 —

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Unit-cell length a length_a	52.237 Å
Unit-cell length b length_b	99.302 Å
Unit-cell length c length_c	41.085 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	8

Space group space_group	P 21 21 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	1.350 Å
Low-resolution limit resolution_low	27.960 Å
R factor r_factor	0.1592
R_work r_work	0.1567
R_free r_free	0.2067

Description description	uncharacterized protein DUF4425
Molecular weight formula_weight	13581.7 kDa
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	2256

Crystal structure of a domain of unknown function, DUF4425 (BVU_3708) from Bacteroides vulgatus ATCC 8482 at 1.35 A resolution

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

uncharacterized protein DUF4425

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

3u6g__assembly_1__model_1

3u6g__assembly_1__model_1 | I(q)

3u6g__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) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)

Source organism organism	Bacteroides vulgatus
NCBI taxonomy ID ncbi_taxonomy_id	435590
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	244

Crystal structure of a domain of unknown function, DUF4425 (BVU_3708) from Bacteroides vulgatus ATCC 8482 at 1.35 A resolution

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

uncharacterized protein DUF4425

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

3u6g__assembly_1__model_1

3u6g__assembly_1__model_1 | I(q)

3u6g__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) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)