SAXSdb — 1dxg

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

DESULFOREDOXIN

OrganismNot specified

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	DESR_DESGI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–36； UniProt 1–36 Author chain B； PDBConstruct 1–36； UniProt 1–36

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	1dxg
Deposition date deposition_date	1997-07-04
Structure title title	CRYSTAL STRUCTURE OF DESULFOREDOXIN FROM DESULFOVIBRIO GIGAS AT 1.8 A RESOLUTION
Keywords keywords	NON-HEME IRON PROTEIN, RUBREDOXIN TYPE METAL CENTER, ELECTRON TRANSPORT; NON-HEME IRON 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.

1dxg__assembly_1__model_1

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

Download this curve (.dat)

1dxg__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1dxg__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	11.92 Å
Rg (electron density)	10.56 Å
Total Rg	11.87 Å
Atom count	524
Residues	72
Excluded volume	9338 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1dxg__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 (3)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1dxga_
Class class	g — Small proteins
Fold Fold fold	g.41 — Rubredoxin-like
Superfamily Superfamily superfamily	g.41.5 — Rubredoxin-like
Family Family family	g.41.5.2 — Desulforedoxin

Domain ID domain_id	d1dxgb_
Class class	g — Small proteins
Fold Fold fold	g.41 — Rubredoxin-like
Superfamily Superfamily superfamily	g.41.5 — Rubredoxin-like
Family Family family	g.41.5.2 — Desulforedoxin

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Unit-cell length a length_a	42.180 Å
Unit-cell length b length_b	42.180 Å
Unit-cell length c length_c	72.220 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	12

Space group space_group	P 32 2 1
Space-group number int_tables_number	154
Crystal system crystal_system	—

Resolution resolution	1.800 Å
Low-resolution limit resolution_low	8.000 Å
R factor r_factor	0.1690
R_work r_work	0.1690
R_free r_free	0.1870

Description description	DESULFOREDOXIN
Molecular weight formula_weight	3807.3 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	593

CRYSTAL STRUCTURE OF DESULFOREDOXIN FROM DESULFOVIBRIO GIGAS AT 1.8 A RESOLUTION

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

DESULFOREDOXIN

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

1dxg__assembly_1__model_1

1dxg__assembly_1__model_1 | I(q)

1dxg__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) 2 domains

SCOP 2.08 (2 domains)

7. Citations (1)

Description description	FE (III) ION
Molecular weight formula_weight	55.8 kDa
Source method src_method	syn
Copy count entity_count	2

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	69

CRYSTAL STRUCTURE OF DESULFOREDOXIN FROM DESULFOVIBRIO GIGAS AT 1.8 A RESOLUTION

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

DESULFOREDOXIN

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

1dxg__assembly_1__model_1

1dxg__assembly_1__model_1 | I(q)

1dxg__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) 2 domains

SCOP 2.08 (2 domains)

7. Citations (1)