1oel

CONFORMATIONAL VARIABILITY IN THE REFINED STRUCTURE OF THE CHAPERONIN GROEL AT 2.8 ANGSTROM RESOLUTION

Method: X-RAY DIFFRACTION

▼

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

GROEL (HSP60 CLASS)

Escherichia coli

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 14	water × 14	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CH60_ECOLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–547； UniProt 1–547 Author chain B； PDBConstruct 1–547； UniProt 1–547 Author chain C； PDBConstruct 1–547； UniProt 1–547 Author chain D； PDBConstruct 1–547； UniProt 1–547 Author chain E； PDBConstruct 1–547； UniProt 1–547 Author chain F； PDBConstruct 1–547； UniProt 1–547 Author chain G； PDBConstruct 1–547； UniProt 1–547

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	1oel
Deposition date deposition_date	1995-11-21
Structure title title	CONFORMATIONAL VARIABILITY IN THE REFINED STRUCTURE OF THE CHAPERONIN GROEL AT 2.8 ANGSTROM RESOLUTION
Keywords keywords	CHAPERONIN; CHAPERONIN
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.

1oel__assembly_1__model_1

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

Download this curve (.dat)

1oel__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1oel__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	64.72 Å
Rg (electron density)	63.58 Å
Total Rg	63.70 Å
Atom count	53858
Residues	7336
Excluded volume	964850 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1oel__assembly_1__model_1`	tetradecameric （14）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Description description	GROEL (HSP60 CLASS)
Molecular weight formula_weight	57128.3 kDa
Mutation mutation	R13G, A126V
Source method src_method	man
Copy count entity_count	7

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F,G
Atom count atom_count	27078

AAKDVKFGNDAGVKMLRGVNVLADAVKVTLGPKGRNVVLDKSFGAPTITKDGVSVAREIELEDKFENMGAQMVKEVASKANDAAGDGTTTATVLAQAIITEGLKAVAAGMNPMDLKRGIDKAVTVAVEELKALSVPCSDSKAIAQVGTISANSDETVGKLIAEAMDKVGKEGVITVEDGTGLQDELDVVEGMQFDRGYLSPYFINKPETGAVELESPFILLADKKISNIREMLPVLEAVAKAGKPLLIIAEDVEGEALATAVVNTIRGIVKVAAVKAPGFGDRRKAMLQDIATLTGGTVISEEIGMELEKATLEDLGQAKRVVINKDTTTIIDGVGEEAAIQGRVAQIRQQIEEATSDYDREKLQERVAKLAGGVAVIKVGAATEVEMKEKKARVEDALHATRAAVEEGVVAGGGVALIRVASKLADLRGQNEDQNVGIKVALRAMEAPLRQIVLNCGEEPSVVANTVKGGDGNYGYNAATEEYGNMIDMGILDPTKVTRSALQYAASVAGLMITTECMVTDLPKNDAADLGAAGGMGGMGGMGGMM

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	149

▼

6. Fold Classification (SCOP + CATH) 42 domains

SCOP 2.08 (21 domains)

Domain ID domain_id	d1oela1
Class class	a — All alpha proteins
Fold Fold fold	a.129 — GroEL equatorial domain-like
Superfamily Superfamily superfamily	a.129.1 — GroEL equatorial domain-like
Family Family family	a.129.1.1 — GroEL chaperone, ATPase domain

Domain ID domain_id	d1oela2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.8 — The 'swivelling' beta/beta/alpha domain
Superfamily Superfamily superfamily	c.8.5 — GroEL apical domain-like
Family Family family	c.8.5.1 — GroEL-like chaperone, apical domain

Domain ID domain_id	d1oela3
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.56 — GroEL-intermediate domain like
Superfamily Superfamily superfamily	d.56.1 — GroEL-intermediate domain like
Family Family family	d.56.1.1 — GroEL-like chaperone, intermediate domain

Domain ID domain_id	d1oelb1
Class class	a — All alpha proteins
Fold Fold fold	a.129 — GroEL equatorial domain-like
Superfamily Superfamily superfamily	a.129.1 — GroEL equatorial domain-like
Family Family family	a.129.1.1 — GroEL chaperone, ATPase domain

Domain ID domain_id	d1oelb2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.8 — The 'swivelling' beta/beta/alpha domain
Superfamily Superfamily superfamily	c.8.5 — GroEL apical domain-like
Family Family family	c.8.5.1 — GroEL-like chaperone, apical domain

Domain ID domain_id	d1oelb3
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.56 — GroEL-intermediate domain like
Superfamily Superfamily superfamily	d.56.1 — GroEL-intermediate domain like
Family Family family	d.56.1.1 — GroEL-like chaperone, intermediate domain

Domain ID domain_id	d1oelc3
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.8 — The 'swivelling' beta/beta/alpha domain
Superfamily Superfamily superfamily	c.8.5 — GroEL apical domain-like
Family Family family	c.8.5.1 — GroEL-like chaperone, apical domain

Domain ID domain_id	d1oelc4
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.56 — GroEL-intermediate domain like
Superfamily Superfamily superfamily	d.56.1 — GroEL-intermediate domain like
Family Family family	d.56.1.1 — GroEL-like chaperone, intermediate domain

Domain ID domain_id	d1oelc5
Class class	a — All alpha proteins
Fold Fold fold	a.129 — GroEL equatorial domain-like
Superfamily Superfamily superfamily	a.129.1 — GroEL equatorial domain-like
Family Family family	a.129.1.1 — GroEL chaperone, ATPase domain

Domain ID domain_id	d1oeld1
Class class	a — All alpha proteins
Fold Fold fold	a.129 — GroEL equatorial domain-like
Superfamily Superfamily superfamily	a.129.1 — GroEL equatorial domain-like
Family Family family	a.129.1.1 — GroEL chaperone, ATPase domain

Domain ID domain_id	d1oeld2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.8 — The 'swivelling' beta/beta/alpha domain
Superfamily Superfamily superfamily	c.8.5 — GroEL apical domain-like
Family Family family	c.8.5.1 — GroEL-like chaperone, apical domain

Domain ID domain_id	d1oeld3
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.56 — GroEL-intermediate domain like
Superfamily Superfamily superfamily	d.56.1 — GroEL-intermediate domain like
Family Family family	d.56.1.1 — GroEL-like chaperone, intermediate domain

Domain ID domain_id	d1oele1
Class class	a — All alpha proteins
Fold Fold fold	a.129 — GroEL equatorial domain-like
Superfamily Superfamily superfamily	a.129.1 — GroEL equatorial domain-like
Family Family family	a.129.1.1 — GroEL chaperone, ATPase domain

Domain ID domain_id	d1oele2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.8 — The 'swivelling' beta/beta/alpha domain
Superfamily Superfamily superfamily	c.8.5 — GroEL apical domain-like
Family Family family	c.8.5.1 — GroEL-like chaperone, apical domain

Domain ID domain_id	d1oele3
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.56 — GroEL-intermediate domain like
Superfamily Superfamily superfamily	d.56.1 — GroEL-intermediate domain like
Family Family family	d.56.1.1 — GroEL-like chaperone, intermediate domain

Domain ID domain_id	d1oelf1
Class class	a — All alpha proteins
Fold Fold fold	a.129 — GroEL equatorial domain-like
Superfamily Superfamily superfamily	a.129.1 — GroEL equatorial domain-like
Family Family family	a.129.1.1 — GroEL chaperone, ATPase domain

Domain ID domain_id	d1oelf2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.8 — The 'swivelling' beta/beta/alpha domain
Superfamily Superfamily superfamily	c.8.5 — GroEL apical domain-like
Family Family family	c.8.5.1 — GroEL-like chaperone, apical domain

Domain ID domain_id	d1oelf3
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.56 — GroEL-intermediate domain like
Superfamily Superfamily superfamily	d.56.1 — GroEL-intermediate domain like
Family Family family	d.56.1.1 — GroEL-like chaperone, intermediate domain

Domain ID domain_id	d1oelg1
Class class	a — All alpha proteins
Fold Fold fold	a.129 — GroEL equatorial domain-like
Superfamily Superfamily superfamily	a.129.1 — GroEL equatorial domain-like
Family Family family	a.129.1.1 — GroEL chaperone, ATPase domain

Domain ID domain_id	d1oelg2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.8 — The 'swivelling' beta/beta/alpha domain
Superfamily Superfamily superfamily	c.8.5 — GroEL apical domain-like
Family Family family	c.8.5.1 — GroEL-like chaperone, apical domain

Domain ID domain_id	d1oelg3
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.56 — GroEL-intermediate domain like
Superfamily Superfamily superfamily	d.56.1 — GroEL-intermediate domain like
Family Family family	d.56.1.1 — GroEL-like chaperone, intermediate domain

CATH v4.4 (21 domains)

Domain ID domain_id	1oelA01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	560 — GROEL; domain 1
Homologous superfamily homologous superfamily	10 — GroEL-like equatorial domain

Domain ID domain_id	1oelA02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	260 — GROEL; domain 2
Homologous superfamily homologous superfamily	10 — TCP-1-like chaperonin intermediate domain

Domain ID domain_id	1oelA03
Class class	3 — Alpha Beta
Architecture architecture	50 — 3-Layer(bba) Sandwich
Topology topology	7 — GroEL
Homologous superfamily homologous superfamily	10 — GroEL

Domain ID domain_id	1oelB01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	560 — GROEL; domain 1
Homologous superfamily homologous superfamily	10 — GroEL-like equatorial domain

Domain ID domain_id	1oelB02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	260 — GROEL; domain 2
Homologous superfamily homologous superfamily	10 — TCP-1-like chaperonin intermediate domain

Domain ID domain_id	1oelB03
Class class	3 — Alpha Beta
Architecture architecture	50 — 3-Layer(bba) Sandwich
Topology topology	7 — GroEL
Homologous superfamily homologous superfamily	10 — GroEL

Domain ID domain_id	1oelC01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	560 — GROEL; domain 1
Homologous superfamily homologous superfamily	10 — GroEL-like equatorial domain

Domain ID domain_id	1oelC02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	260 — GROEL; domain 2
Homologous superfamily homologous superfamily	10 — TCP-1-like chaperonin intermediate domain

Domain ID domain_id	1oelC03
Class class	3 — Alpha Beta
Architecture architecture	50 — 3-Layer(bba) Sandwich
Topology topology	7 — GroEL
Homologous superfamily homologous superfamily	10 — GroEL

Domain ID domain_id	1oelD01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	560 — GROEL; domain 1
Homologous superfamily homologous superfamily	10 — GroEL-like equatorial domain

Domain ID domain_id	1oelD02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	260 — GROEL; domain 2
Homologous superfamily homologous superfamily	10 — TCP-1-like chaperonin intermediate domain

Domain ID domain_id	1oelD03
Class class	3 — Alpha Beta
Architecture architecture	50 — 3-Layer(bba) Sandwich
Topology topology	7 — GroEL
Homologous superfamily homologous superfamily	10 — GroEL

Domain ID domain_id	1oelE01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	560 — GROEL; domain 1
Homologous superfamily homologous superfamily	10 — GroEL-like equatorial domain

Domain ID domain_id	1oelE02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	260 — GROEL; domain 2
Homologous superfamily homologous superfamily	10 — TCP-1-like chaperonin intermediate domain

Domain ID domain_id	1oelE03
Class class	3 — Alpha Beta
Architecture architecture	50 — 3-Layer(bba) Sandwich
Topology topology	7 — GroEL
Homologous superfamily homologous superfamily	10 — GroEL

Domain ID domain_id	1oelF01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	560 — GROEL; domain 1
Homologous superfamily homologous superfamily	10 — GroEL-like equatorial domain

Domain ID domain_id	1oelF02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	260 — GROEL; domain 2
Homologous superfamily homologous superfamily	10 — TCP-1-like chaperonin intermediate domain

Domain ID domain_id	1oelF03
Class class	3 — Alpha Beta
Architecture architecture	50 — 3-Layer(bba) Sandwich
Topology topology	7 — GroEL
Homologous superfamily homologous superfamily	10 — GroEL

Domain ID domain_id	1oelG01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	560 — GROEL; domain 1
Homologous superfamily homologous superfamily	10 — GroEL-like equatorial domain

Domain ID domain_id	1oelG02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	260 — GROEL; domain 2
Homologous superfamily homologous superfamily	10 — TCP-1-like chaperonin intermediate domain

Domain ID domain_id	1oelG03
Class class	3 — Alpha Beta
Architecture architecture	50 — 3-Layer(bba) Sandwich
Topology topology	7 — GroEL
Homologous superfamily homologous superfamily	10 — GroEL

▶

Unit-cell length a length_a	178.380 Å
Unit-cell length b length_b	204.980 Å
Unit-cell length c length_c	280.980 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	56

Space group space_group	C 2 2 21
Space-group number int_tables_number	20
Crystal system crystal_system	—

Resolution resolution	2.800 Å
Low-resolution limit resolution_low	6.000 Å
R factor r_factor	0.2270
R_work r_work	0.2270
R_free r_free	0.2700

CONFORMATIONAL VARIABILITY IN THE REFINED STRUCTURE OF THE CHAPERONIN GROEL AT 2.8 ANGSTROM RESOLUTION

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

GROEL (HSP60 CLASS)

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

1oel__assembly_1__model_1

1oel__assembly_1__model_1 | I(q)

1oel__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 42 domains

SCOP 2.08 (21 domains)

CATH v4.4 (21 domains)

7. Citations (3)

CONFORMATIONAL VARIABILITY IN THE REFINED STRUCTURE OF THE CHAPERONIN GROEL AT 2.8 ANGSTROM RESOLUTION

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

GROEL (HSP60 CLASS)

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

1oel__assembly_1__model_1

1oel__assembly_1__model_1 | I(q)

1oel__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 42 domains

SCOP 2.08 (21 domains)

CATH v4.4 (21 domains)

7. Citations (3)