SAXSdb — 4wbx

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

2-keto acid:ferredoxin oxidoreductase subunit alpha

Pyrococcus furiosus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8U046_PYRFU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain C； PDBConstruct 10–395； UniProt 2–387

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	4wbx
Deposition date deposition_date	2014-09-04
Structure title title	Conserved hypothetical protein PF1771 from Pyrococcus furiosus solved by sulfur SAD using Swiss Light Source data
Keywords keywords	Sulfur SAD, case studies, Swiss Light Source, Southeast Collaboratory for Structural genomics, oxidoreductase, SECSG; OXIDOREDUCTASE
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.

4wbx__assembly_1__model_1

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

Download this curve (.dat)

4wbx__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4wbx__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	32.12 Å
Rg (electron density)	31.30 Å
Total Rg	31.79 Å
Atom count	8956
Residues	1192
Excluded volume	160330 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4wbx__assembly_1__model_1`	tetrameric （4）	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) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id	4wbxC01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains

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Unit-cell length a length_a	91.020 Å
Unit-cell length b length_b	126.820 Å
Unit-cell length c length_c	155.170 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	16

Space group space_group	F 2 2 2
Space-group number int_tables_number	22
Crystal system crystal_system	—

Resolution resolution	2.301 Å
Low-resolution limit resolution_low	19.627 Å
R factor r_factor	0.2378
R_work r_work	0.2334
R_free r_free	0.2772

Description description	2-keto acid:ferredoxin oxidoreductase subunit alpha
Molecular weight formula_weight	44096.4 kDa
Source method src_method	man
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	C
Atom count atom_count	2256

Conserved hypothetical protein PF1771 from Pyrococcus furiosus solved by sulfur SAD using Swiss Light Source data

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

2-keto acid:ferredoxin oxidoreductase subunit alpha

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

4wbx__assembly_1__model_1

4wbx__assembly_1__model_1 | I(q)

4wbx__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) 1 domains

CATH v4.4 (1 domains)

7. Citations (1)

Source organism organism	Pyrococcus furiosus
NCBI taxonomy ID ncbi_taxonomy_id	186497
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	17

Conserved hypothetical protein PF1771 from Pyrococcus furiosus solved by sulfur SAD using Swiss Light Source data

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

2-keto acid:ferredoxin oxidoreductase subunit alpha

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

4wbx__assembly_1__model_1

4wbx__assembly_1__model_1 | I(q)

4wbx__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) 1 domains

CATH v4.4 (1 domains)

7. Citations (1)