SAXSdb — 3hte

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

ATP-dependent Clp protease ATP-binding subunit clpX

Escherichia coli

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 6	SULFATE ION × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CLPX_ECOLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–363； UniProt 62–424 Author chain B； PDBConstruct 1–363； UniProt 62–424 Author chain C； PDBConstruct 1–363； UniProt 62–424 Author chain D； PDBConstruct 1–363； UniProt 62–424 Author chain E； PDBConstruct 1–363； UniProt 62–424 Author chain F； PDBConstruct 1–363； UniProt 62–424

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	3hte
Deposition date deposition_date	2009-06-11
Structure title title	Crystal structure of nucleotide-free hexameric ClpX
Keywords keywords	;ClpX, AAA+ molecular machine, hexamer, asymmetric, ATP-binding, Chaperone, Metal-binding, Nucleotide-binding, Stress response, Zinc-finger, METAL BINDING PROTEIN, MOTOR PROTEIN ;; MOTOR 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.

3hte__assembly_1__model_1

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

Download this curve (.dat)

3hte__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3hte__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	43.53 Å
Rg (electron density)	42.85 Å
Total Rg	43.10 Å
Atom count	12777
Residues	1805
Excluded volume	227900 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3hte__assembly_1__model_1`	hexameric （6）	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	63.325 Å
Unit-cell length b length_b	199.917 Å
Unit-cell length c length_c	202.490 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	24

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	4.026 Å
Low-resolution limit resolution_low	49.074 Å
R factor r_factor	0.2790
R_work r_work	0.2780
R_free r_free	0.3130

Description description	ATP-dependent Clp protease ATP-binding subunit clpX
Molecular weight formula_weight	39434.9 kDa
Source method src_method	man
Copy count entity_count	6

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F
Atom count atom_count	12777

Crystal structure of nucleotide-free hexameric ClpX

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

ATP-dependent Clp protease ATP-binding subunit clpX

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

3hte__assembly_1__model_1

3hte__assembly_1__model_1 | I(q)

3hte__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 non-polymer

7. Citations (1)

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	83333
Host organism host_organism	Escherichia coli

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	6

Crystal structure of nucleotide-free hexameric ClpX

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

ATP-dependent Clp protease ATP-binding subunit clpX

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

3hte__assembly_1__model_1

3hte__assembly_1__model_1 | I(q)

3hte__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 non-polymer

7. Citations (1)