SAXSdb — 1sfn

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

conserved hypothetical protein

Deinococcus radiodurans

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 8	water × 8	Consistent with protein count
3	Protein homooligomer	Homooligomer	Protein 4	water × 4	Consistent with protein count
4	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	Q9RV77_DEIRA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–246； UniProt 1–246 Author chain B； PDBConstruct 1–246； UniProt 1–246

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	1sfn
Deposition date deposition_date	2004-02-20
Structure title title	Crystal structure of protein DR1152 from Deinococcus radiodurans R1, Pfam DUF861
Keywords keywords	;Structural genomics, NYSGXRC target T1583, PSI, Protein Structure Initiative, New York SGX Research Center for Structural Genomics, 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.

1sfn__assembly_3__model_1

Assembly 3 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1sfn__assembly_3__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1sfn__assembly_3__model_1 | P(r) · Pending

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

Rg（Guinier）	31.24 Å
Rg (electron density)	29.94 Å
Total Rg	30.79 Å
Atom count	7720
Residues	980
Excluded volume	137070 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1sfn__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1sfn__assembly_2__model_1`	octameric （8）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`1sfn__assembly_3__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`1sfn__assembly_4__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) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1sfna_
Class class	b — All beta proteins
Fold Fold fold	b.82 — Double-stranded beta-helix
Superfamily Superfamily superfamily	b.82.1 — RmlC-like cupins
Family Family family	b.82.1.11 — YlbA-like

Domain ID domain_id	d1sfnb_
Class class	b — All beta proteins
Fold Fold fold	b.82 — Double-stranded beta-helix
Superfamily Superfamily superfamily	b.82.1 — RmlC-like cupins
Family Family family	b.82.1.11 — YlbA-like

CATH v4.4 (2 domains)

Domain ID domain_id	1sfnA00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	10 — Jelly Rolls

Domain ID domain_id	1sfnB00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	10 — Jelly Rolls

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Unit-cell length a length_a	109.370 Å
Unit-cell length b length_b	109.370 Å
Unit-cell length c length_c	95.408 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	P 4 21 2
Space-group number int_tables_number	90
Crystal system crystal_system	—

Resolution resolution	2.460 Å
Low-resolution limit resolution_low	25.000 Å
R factor r_factor	0.2810
R_work r_work	0.2290
R_free r_free	0.2780

Description description	conserved hypothetical protein
Molecular weight formula_weight	27418.1 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	3938

Crystal structure of protein DR1152 from Deinococcus radiodurans R1, Pfam DUF861

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

conserved hypothetical protein

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

1sfn__assembly_3__model_1

1sfn__assembly_3__model_1 | I(q)

1sfn__assembly_3__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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Source organism organism	Deinococcus radiodurans
NCBI taxonomy ID ncbi_taxonomy_id	1299
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	78

Crystal structure of protein DR1152 from Deinococcus radiodurans R1, Pfam DUF861

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

conserved hypothetical protein

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

1sfn__assembly_3__model_1

1sfn__assembly_3__model_1 | I(q)

1sfn__assembly_3__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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)