SAXSdb — 5wbf

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

Methyl-accepting chemotaxis transducer (TlpC)

Helicobacter pylori

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	LACTIC ACID × 1 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	LACTIC ACID × 1 water × 1	Consistent with protein count
3	Protein monomer	Monomer	Protein 1	LACTIC ACID × 1 GLYCEROL × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	O24911_HELPY
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 7–270； UniProt 34–297 Author chain B； PDBConstruct 7–270； UniProt 34–297 Author chain C； PDBConstruct 7–270； UniProt 34–297

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	5wbf
Deposition date deposition_date	2017-06-28
Structure title title	Double CACHE (dCACHE) sensing domain of TlpC chemoreceptor from Helicobacter pylori
Keywords keywords	Bacterial protein, Chemoreceptor sensing domain, double-CACHE domain, Helicobacter pylori, SIGNALING PROTEIN; SIGNALING 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.

5wbf__assembly_3__model_1

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

Download this curve (.dat)

5wbf__assembly_3__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5wbf__assembly_3__model_1 | P(r) · Pending

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

Rg（Guinier）	22.18 Å
Rg (electron density)	21.38 Å
Total Rg	22.28 Å
Atom count	2101
Residues	261
Excluded volume	37581 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5wbf__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`5wbf__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`5wbf__assembly_3__model_1`	monomeric （1）	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 (4)

Entity 1 Entity 1 polymer

Description description	Methyl-accepting chemotaxis transducer (TlpC)
Molecular weight formula_weight	30602.8 kDa
Source method src_method	man
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	6786

GIDPFTESVLQSQATELLQKKAQLVSFKIQGIMKRIFMGANTLEKFLSDENSAINDTLKRRMLSEFLLANPHVLLVSAIYTNNNERVITAMSMDSKIAYPNTTLNENMTNQIRSLKSITHSDPYYKEVNGDKIYGMDITLPLMGKNQNAIGALNFFLNIDAFYTDVVGKKKSNTFLMGKDGRLLINPNREIQDKILSAINPDRRVAKAVEYYNQNEAGTLSYHSLSGNTETFLAIQPFDFFEEKGNNGNHWRWAIGKYVNKSLVFKEATN

Source Source

Source organism organism	Helicobacter pylori
NCBI taxonomy ID ncbi_taxonomy_id	85962
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 non-polymer

Description description	LACTIC ACID
Molecular weight formula_weight	90.1 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 3 Entity 3 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	452

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Unit-cell length a length_a	189.330 Å
Unit-cell length b length_b	103.170 Å
Unit-cell length c length_c	61.790 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	98.32 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	12

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	2.190 Å
Low-resolution limit resolution_low	30.570 Å
R factor r_factor	—
R_work r_work	0.1818
R_free r_free	0.2179

Double CACHE (dCACHE) sensing domain of TlpC chemoreceptor from Helicobacter pylori

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

Methyl-accepting chemotaxis transducer (TlpC)

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

5wbf__assembly_3__model_1

5wbf__assembly_3__model_1 | I(q)

5wbf__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

7. Citations (1)

Double CACHE (dCACHE) sensing domain of TlpC chemoreceptor from Helicobacter pylori

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

Methyl-accepting chemotaxis transducer (TlpC)

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

5wbf__assembly_3__model_1

5wbf__assembly_3__model_1 | I(q)

5wbf__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

7. Citations (1)