8qxu

In situ structure average of GroEL14-GroES7 complexes with wide GroEL7 trans ring conformation in Escherichia coli cytosol obtained by cryo electron tomography

Method: ELECTRON MICROSCOPY Dmax: 256.8 Å Quality: REASONABLE

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

Chaperonin GroEL

Escherichia coli BL21(DE3)

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 A; UniProt 2–548 Chain B; UniProt 2–548 Chain C; UniProt 2–548 Chain D; UniProt 2–548 Chain E; UniProt 2–548 Chain F; UniProt 2–548 Chain G; UniProt 2–548 Chain H; UniProt 2–548 Chain I; UniProt 2–548 Chain J; UniProt 2–548 Chain K; UniProt 2–548 Chain L; UniProt 2–548 Chain M; UniProt 2–548 Chain N; UniProt 2–548 Not recorded Co-chaperonin GroES × 7 (P0A6F9) ATP ADENOSINE-5'-TRIPHOSPHATE × 7 MG MAGNESIUM ION × 14 K POTASSIUM ION × 14 ADP ADENOSINE-5'-DIPHOSPHATE × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE-PROPANE Resolution 12.00 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 A; PDBConstruct 1–547; UniProt 2–548 Author chain B; PDBConstruct 1–547; UniProt 2–548 Author chain C; PDBConstruct 1–547; UniProt 2–548 Author chain D; PDBConstruct 1–547; UniProt 2–548 Author chain E; PDBConstruct 1–547; UniProt 2–548 Author chain F; PDBConstruct 1–547; UniProt 2–548 Author chain G; PDBConstruct 1–547; UniProt 2–548 Author chain H; PDBConstruct 1–547; UniProt 2–548 Author chain I; PDBConstruct 1–547; UniProt 2–548 Author chain J; PDBConstruct 1–547; UniProt 2–548 Author chain K; PDBConstruct 1–547; UniProt 2–548 Author chain L; PDBConstruct 1–547; UniProt 2–548 Author chain M; PDBConstruct 1–547; UniProt 2–548 Author chain N; PDBConstruct 1–547; UniProt 2–548

Co-chaperonin GroES

Escherichia coli BL21(DE3)

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 O; UniProt 1–97 Chain P; UniProt 1–97 Chain Q; UniProt 1–97 Chain R; UniProt 1–97 Chain S; UniProt 1–97 Chain T; UniProt 1–97 Chain U; UniProt 1–97 Not recorded Chaperonin GroEL × 14 (P0A6F5) ATP ADENOSINE-5'-TRIPHOSPHATE × 7 MG MAGNESIUM ION × 14 K POTASSIUM ION × 14 ADP ADENOSINE-5'-DIPHOSPHATE × 7 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE-PROPANE Resolution 12.00 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 O; PDBConstruct 1–97; UniProt 1–97 Author chain P; PDBConstruct 1–97; UniProt 1–97 Author chain Q; PDBConstruct 1–97; UniProt 1–97 Author chain R; PDBConstruct 1–97; UniProt 1–97 Author chain S; PDBConstruct 1–97; UniProt 1–97 Author chain T; PDBConstruct 1–97; UniProt 1–97 Author chain U; 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 8qxu

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8qxu
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8qxu
Deposition date deposition_date2023-10-25
Structure title titleIn situ structure average of GroEL14-GroES7 complexes with wide GroEL7 trans ring conformation in Escherichia coli cytosol obtained by cryo electron tomography
Keywords keywordsChaperonin, Folding cage, proteostasis, heat shock, ATPase, CHAPERONE; CHAPERONE
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier71.07
Radius of gyration Rg (electron density) rg_electron70.97
Forward intensity I(0) i010200600000.00
Molecular weight molecular_weight848120.0 kDa
Excluded volume excluded_volume1061100 ų
Envelope volume envelope_volume1813900 ų
Hydration-shell volume shell_volume209890 ų
Envelope diameter envelope_diameter217.4
Shell Rg shell_rg77.83
Envelope Rg envelope_rg66.63
Shape Rg shape_rg71.02
Total Rg total_rg70.90
Total atoms total_atoms59248
Residues n_residues8008
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 dmax256.8
Rg (real space) rg_real73.82
Rg uncertainty (real space) rg_real_error1.50
I(0) (real space) i0_real1.0200e+10
I(0) uncertainty (real space) i0_real_error2.0980e+08
Rg (reciprocal space) rg_reciprocal71.99
I(0) (reciprocal space) i0_reciprocal10220000000.0000
Solution quality estimate total_estimate0.6190
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary93.4
Skewness Skewness skewness0.487
Kurtosis Kurtosis kurtosis0.561
Angular range angular_range— – 0.1100 −1
Current regularization parameter α current_alpha0.9346
Highest regularization parameter α highest_alpha2133000000.0000
Real-space data points n_real_points23
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.487; Stabil: 0.903; Sysdev: 0.006; Positv: 1.000; Valcen: 0.934; Smooth: 0.943

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

8. Citations (1)

9. Files and Curves (10)