7pbj

Cryo-EM structure of the GroEL-GroES complex with ADP bound to both rings ("wide" conformation).

Method: ELECTRON MICROSCOPY Dmax: 254.2 Å Quality: GOOD

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

60 kDa chaperonin

Escherichia coli (strain K12)

UniProt P0A6F5

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 21 PDB declaration: 21-meric(21) Consistent with protein copy count Chain Ad; UniProt 2–525 Chain Ae; UniProt 2–525 Chain Ak; UniProt 2–525 Chain Al; UniProt 2–525 Chain Ar; UniProt 2–525 Chain As; UniProt 2–525 Chain Ay; UniProt 2–525 Chain Az; UniProt 2–525 Chain Bf; UniProt 2–525 Chain Bg; UniProt 2–525 Chain Bm; UniProt 2–525 Chain Bn; UniProt 2–525 Chain Bt; UniProt 2–525 Chain Bu; UniProt 2–525 Not recorded 10 kDa chaperonin × 7 (P0A6F9) ADP ADENOSINE-5'-DIPHOSPHATE × 14 MG MAGNESIUM ION × 14 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

81 other PDB entries and 95 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CH60_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain Ad; PDBConstruct 1–524; UniProt 2–525 Author chain Ae; PDBConstruct 1–524; UniProt 2–525 Author chain Ak; PDBConstruct 1–524; UniProt 2–525 Author chain Al; PDBConstruct 1–524; UniProt 2–525 Author chain Ar; PDBConstruct 1–524; UniProt 2–525 Author chain As; PDBConstruct 1–524; UniProt 2–525 Author chain Ay; PDBConstruct 1–524; UniProt 2–525 Author chain Az; PDBConstruct 1–524; UniProt 2–525 Author chain Bf; PDBConstruct 1–524; UniProt 2–525 Author chain Bg; PDBConstruct 1–524; UniProt 2–525 Author chain Bm; PDBConstruct 1–524; UniProt 2–525 Author chain Bn; PDBConstruct 1–524; UniProt 2–525 Author chain Bt; PDBConstruct 1–524; UniProt 2–525 Author chain Bu; PDBConstruct 1–524; UniProt 2–525

10 kDa chaperonin

Escherichia coli (strain K12)

UniProt P0A6F9

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 21 PDB declaration: 21-meric(21) Consistent with protein copy count Chain Af; UniProt 1–97 Chain Am; UniProt 1–97 Chain At; UniProt 1–97 Chain Ba; UniProt 1–97 Chain Bh; UniProt 1–97 Chain Bo; UniProt 1–97 Chain Bv; UniProt 1–97 Not recorded 60 kDa chaperonin × 14 (P0A6F5) ADP ADENOSINE-5'-DIPHOSPHATE × 14 MG MAGNESIUM ION × 14 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

28 other PDB entries and 29 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CH10_ECOLI
Isoform
PDB entities 2
Chains and sequence ranges Author chain Af; PDBConstruct 1–97; UniProt 1–97 Author chain Am; PDBConstruct 1–97; UniProt 1–97 Author chain At; PDBConstruct 1–97; UniProt 1–97 Author chain Ba; PDBConstruct 1–97; UniProt 1–97 Author chain Bh; PDBConstruct 1–97; UniProt 1–97 Author chain Bo; PDBConstruct 1–97; UniProt 1–97 Author chain Bv; PDBConstruct 1–97; UniProt 1–97

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.

SAXS scattering curve SAXS Profile

SAXS profile for 7pbj

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7pbj
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7pbj
Deposition date deposition_date2021-08-02
Structure title titleCryo-EM structure of the GroEL-GroES complex with ADP bound to both rings ("wide" conformation).
Keywords keywordscryo-EM, chaperonin, GroEL, GroEL-GroES, CHAPERONE; CHAPERONE
Experimental Method methodELECTRON MICROSCOPY

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier69.67
Radius of gyration Rg (electron density) rg_electron69.54
Forward intensity I(0) i010320400000.00
Molecular weight molecular_weight850970.0 kDa
Excluded volume excluded_volume1063900 ų
Envelope volume envelope_volume1832200 ų
Hydration-shell volume shell_volume214080 ų
Envelope diameter envelope_diameter214.8
Shell Rg shell_rg77.98
Envelope Rg envelope_rg65.48
Shape Rg shape_rg69.57
Total Rg total_rg69.55
Total atoms total_atoms59472
Residues n_residues8015
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax254.2
Rg (real space) rg_real72.61
Rg uncertainty (real space) rg_real_error1.43
I(0) (real space) i0_real1.0330e+10
I(0) uncertainty (real space) i0_real_error2.1130e+08
Rg (reciprocal space) rg_reciprocal70.50
I(0) (reciprocal space) i0_reciprocal10340000000.0000
Solution quality estimate total_estimate0.8482
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary92.4
Skewness Skewness skewness0.533
Kurtosis Kurtosis kurtosis0.634
Angular range angular_range— – 0.1100 −1
Current regularization parameter α current_alpha0.9403
Highest regularization parameter α highest_alpha2516000000.0000
Real-space data points n_real_points23
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.480; Stabil: 0.899; Sysdev: 1.000; Positv: 1.000; Valcen: 0.936; Smooth: 0.962

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)