SAXSdb — 5d8e

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

SOSS complex subunit B1

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	No other associated polymer	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SOSB1_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–109； UniProt 1–109 Author chain B； PDBConstruct 1–109； UniProt 1–109 Author chain C； PDBConstruct 1–109； UniProt 1–109 Author chain D； PDBConstruct 1–109； UniProt 1–109

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	5d8e
Deposition date deposition_date	2015-08-17
Structure title title	crystal structure of SSB from homo sapiens
Keywords keywords	single-strand DNA binding, DNA BINDING PROTEIN; DNA 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.

5d8e__assembly_1__model_1

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

Download this curve (.dat)

5d8e__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5d8e__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	27.60 Å
Rg (electron density)	27.43 Å
Total Rg	28.03 Å
Atom count	1621
Residues	205
Excluded volume	29294 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5d8e__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`5d8e__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 (1)

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Unit-cell length a length_a	137.691 Å
Unit-cell length b length_b	137.691 Å
Unit-cell length c length_c	83.820 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	24

Space group space_group	P 31 2 1
Space-group number int_tables_number	152
Crystal system crystal_system	—

Resolution resolution	3.000 Å
Low-resolution limit resolution_low	35.914 Å
R factor r_factor	0.2673
R_work r_work	0.2641
R_free r_free	0.2893

Description description	SOSS complex subunit B1
Molecular weight formula_weight	13019.5 kDa
Mutation mutation	L70M
Source method src_method	man
Copy count entity_count	4

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	3235

crystal structure of SSB from homo sapiens

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

SOSS complex subunit B1

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

5d8e__assembly_1__model_1

5d8e__assembly_1__model_1 | I(q)

5d8e__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

7. Citations (1)

Source organism organism	Homo sapiens
Common name common_name	Human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Escherichia coli BL21(DE3)

crystal structure of SSB from homo sapiens

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

SOSS complex subunit B1

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

5d8e__assembly_1__model_1

5d8e__assembly_1__model_1 | I(q)

5d8e__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

7. Citations (1)