SAXSdb — 13cz

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

Inner membrane lipoprotein DcrB

Salmonella enterica subsp. enterica serovar Typhimurium

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	Q7CPJ3_SALTY
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–149； UniProt 38–185 Author chain B； PDBConstruct 2–149； UniProt 38–185

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	13cz
Deposition date deposition_date	2026-04-30
Last revision last_revision	2026-05-13
Structure title title	Crystal structure of DcrB from Salmonella enterica at pH 5.0
Keywords keywords	DUF1795 domain-containing protein, UNKNOWN FUNCTION; 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.

13cz__assembly_1__model_1

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

Download this curve (.dat)

13cz__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

13cz__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	21.15 Å
Rg (electron density)	20.06 Å
Total Rg	20.88 Å
Atom count	2270
Residues	302
Excluded volume	40410 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`13cz__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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Unit-cell length a length_a	55.204 Å
Unit-cell length b length_b	37.836 Å
Unit-cell length c length_c	67.276 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	110.13 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	2.136 Å
Low-resolution limit resolution_low	34.671 Å
R factor r_factor	—
R_work r_work	0.1876
R_free r_free	0.2384

Description description	Inner membrane lipoprotein DcrB
Molecular weight formula_weight	17410.6 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	2336

Crystal structure of DcrB from Salmonella enterica at pH 5.0

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

Inner membrane lipoprotein DcrB

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

13cz__assembly_1__model_1

13cz__assembly_1__model_1 | I(q)

13cz__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

7. Citations (1)

Source organism organism	Salmonella enterica subsp. enterica serovar Typhimurium
NCBI taxonomy ID ncbi_taxonomy_id	90371
Host organism host_organism	Escherichia coli BL21(DE3)

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	66

Crystal structure of DcrB from Salmonella enterica at pH 5.0

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

Inner membrane lipoprotein DcrB

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

13cz__assembly_1__model_1

13cz__assembly_1__model_1 | I(q)

13cz__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

7. Citations (1)