3o2o

Structure of E. coli ClpS ring complex

Method: X-RAY DIFFRACTION

▼

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

ATP-dependent Clp protease adaptor protein ClpS

Escherichia coli

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
3	Protein homooligomer	Homooligomer	Protein 2	No other associated polymer	Consistent with protein count
4	Protein homooligomer	Homooligomer	Protein 2	No other associated polymer	Consistent with protein count
5	Protein homooligomer	Homooligomer	Protein 2	No other associated polymer	Consistent with protein count
6	Protein homooligomer	Homooligomer	Protein 2	No other associated polymer	Consistent with protein count
7	Protein homooligomer	Homooligomer	Protein 2	No other associated polymer	Consistent with protein count
8	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	CLPS_ECOLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–85； UniProt 22–106 Author chain B； PDBConstruct 1–85； UniProt 22–106 Author chain C； PDBConstruct 1–85； UniProt 22–106 Author chain D； PDBConstruct 1–85； UniProt 22–106 Author chain E； PDBConstruct 1–85； UniProt 22–106 Author chain F； PDBConstruct 1–85； UniProt 22–106 Author chain G； PDBConstruct 1–85； UniProt 22–106 Author chain H； PDBConstruct 1–85； UniProt 22–106

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	3o2o
Deposition date deposition_date	2010-07-22
Structure title title	Structure of E. coli ClpS ring complex
Keywords keywords	adaptor, N-end rule peptide, peptide-binding protein, PEPTIDE BINDING PROTEIN; PEPTIDE BINDING PROTEIN
Experimental Method method	X-RAY DIFFRACTION

▼

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.

3o2o__assembly_7__model_1

Assembly 7 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

3o2o__assembly_7__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3o2o__assembly_7__model_1 | P(r) · Pending

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

Rg（Guinier）	22.58 Å
Rg (electron density)	22.32 Å
Total Rg	23.02 Å
Atom count	2667
Residues	170
Excluded volume	24230 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3o2o__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3o2o__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`3o2o__assembly_3__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`3o2o__assembly_4__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
5	1	`3o2o__assembly_5__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
6	1	`3o2o__assembly_6__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
7	1	`3o2o__assembly_7__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
8	1	`3o2o__assembly_8__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (1)

▼

6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

Domain ID domain_id	d3o2oa_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.45 — ClpS-like
Superfamily Superfamily superfamily	d.45.1 — ClpS-like
Family Family family	d.45.1.2 — Adaptor protein ClpS (YljA)

Domain ID domain_id	d3o2ob_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.45 — ClpS-like
Superfamily Superfamily superfamily	d.45.1 — ClpS-like
Family Family family	d.45.1.2 — Adaptor protein ClpS (YljA)

Domain ID domain_id	d3o2oc_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.45 — ClpS-like
Superfamily Superfamily superfamily	d.45.1 — ClpS-like
Family Family family	d.45.1.2 — Adaptor protein ClpS (YljA)

Domain ID domain_id	d3o2od_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.45 — ClpS-like
Superfamily Superfamily superfamily	d.45.1 — ClpS-like
Family Family family	d.45.1.2 — Adaptor protein ClpS (YljA)

Domain ID domain_id	d3o2oe_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.45 — ClpS-like
Superfamily Superfamily superfamily	d.45.1 — ClpS-like
Family Family family	d.45.1.2 — Adaptor protein ClpS (YljA)

Domain ID domain_id	d3o2of_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.45 — ClpS-like
Superfamily Superfamily superfamily	d.45.1 — ClpS-like
Family Family family	d.45.1.2 — Adaptor protein ClpS (YljA)

Domain ID domain_id	d3o2og_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.45 — ClpS-like
Superfamily Superfamily superfamily	d.45.1 — ClpS-like
Family Family family	d.45.1.2 — Adaptor protein ClpS (YljA)

Domain ID domain_id	d3o2oh_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.45 — ClpS-like
Superfamily Superfamily superfamily	d.45.1 — ClpS-like
Family Family family	d.45.1.2 — Adaptor protein ClpS (YljA)

CATH v4.4 (8 domains)

Domain ID domain_id	3o2oA00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1390 — Ribosomal Protein L30; Chain: A,
Homologous superfamily homologous superfamily	10 — Ribosomal protein L7/L12, C-terminal domain/Adaptor protein ClpS

Domain ID domain_id	3o2oB00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1390 — Ribosomal Protein L30; Chain: A,
Homologous superfamily homologous superfamily	10 — Ribosomal protein L7/L12, C-terminal domain/Adaptor protein ClpS

Domain ID domain_id	3o2oC00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1390 — Ribosomal Protein L30; Chain: A,
Homologous superfamily homologous superfamily	10 — Ribosomal protein L7/L12, C-terminal domain/Adaptor protein ClpS

Domain ID domain_id	3o2oD00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1390 — Ribosomal Protein L30; Chain: A,
Homologous superfamily homologous superfamily	10 — Ribosomal protein L7/L12, C-terminal domain/Adaptor protein ClpS

Domain ID domain_id	3o2oE00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1390 — Ribosomal Protein L30; Chain: A,
Homologous superfamily homologous superfamily	10 — Ribosomal protein L7/L12, C-terminal domain/Adaptor protein ClpS

Domain ID domain_id	3o2oF00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1390 — Ribosomal Protein L30; Chain: A,
Homologous superfamily homologous superfamily	10 — Ribosomal protein L7/L12, C-terminal domain/Adaptor protein ClpS

Domain ID domain_id	3o2oG00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1390 — Ribosomal Protein L30; Chain: A,
Homologous superfamily homologous superfamily	10 — Ribosomal protein L7/L12, C-terminal domain/Adaptor protein ClpS

Domain ID domain_id	3o2oH00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1390 — Ribosomal Protein L30; Chain: A,
Homologous superfamily homologous superfamily	10 — Ribosomal protein L7/L12, C-terminal domain/Adaptor protein ClpS

▶

Unit-cell length a length_a	171.910 Å
Unit-cell length b length_b	155.870 Å
Unit-cell length c length_c	71.230 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	114.64 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	32

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

Resolution resolution	2.900 Å
Low-resolution limit resolution_low	24.967 Å
R factor r_factor	0.1754
R_work r_work	0.1734
R_free r_free	0.2011

Description description	ATP-dependent Clp protease adaptor protein ClpS
Molecular weight formula_weight	9726.3 kDa
Source method src_method	man
Copy count entity_count	8

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F,G,H
Atom count atom_count	10764

Structure of E. coli ClpS ring complex

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

ATP-dependent Clp protease adaptor protein ClpS

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

3o2o__assembly_7__model_1

3o2o__assembly_7__model_1 | I(q)

3o2o__assembly_7__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

6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

CATH v4.4 (8 domains)

7. Citations (2)

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

Structure of E. coli ClpS ring complex

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

ATP-dependent Clp protease adaptor protein ClpS

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

3o2o__assembly_7__model_1

3o2o__assembly_7__model_1 | I(q)

3o2o__assembly_7__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

6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

CATH v4.4 (8 domains)

7. Citations (2)