8u1m

Cryo-EM structure of the HSP90 dimer (NTD-MD) in the semi-open state

Method: ELECTRON MICROSCOPY Dmax: 111.9 Å Quality: GOOD

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

Heat shock protein 83

OrganismNot specified

UniProt A0A7E5VSK5

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–722 Chain B; UniProt 1–722 Not recorded ATP ADENOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.3 cryo-EM vitrification conditions:Cryogen ETHANE;Grids were blotted for 4.5 seconds before plunging Resolution 3.50 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.

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A7E5VSK5_TRINI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–722; UniProt 1–722 Author chain B; PDBConstruct 1–722; UniProt 1–722

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 8u1m

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8u1m
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8u1m
Deposition date deposition_date2023-09-01
Structure title titleCryo-EM structure of the HSP90 dimer (NTD-MD) in the semi-open state
Keywords keywordsHSP, HSP90, CHAPERONE; CHAPERONE
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier33.02
Radius of gyration Rg (electron density) rg_electron32.04
Forward intensity I(0) i0195143000.00
Molecular weight molecular_weight112030.0 kDa
Excluded volume excluded_volume140370 ų
Envelope volume envelope_volume177670 ų
Hydration-shell volume shell_volume45554 ų
Envelope diameter envelope_diameter123.5
Shell Rg shell_rg39.33
Envelope Rg envelope_rg32.31
Shape Rg shape_rg32.04
Total Rg total_rg32.63
Total atoms total_atoms7882
Residues n_residues957
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 dmax111.9
Rg (real space) rg_real32.86
Rg uncertainty (real space) rg_real_error0.65
I(0) (real space) i0_real1.9510e+08
I(0) uncertainty (real space) i0_real_error2.7800e+06
Rg (reciprocal space) rg_reciprocal32.93
I(0) (reciprocal space) i0_reciprocal195200000.0000
Solution quality estimate total_estimate0.8857
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary44.3
Skewness Skewness skewness0.173
Kurtosis Kurtosis kurtosis-0.500
Angular range angular_range— – 0.2400 −1
Current regularization parameter α current_alpha0.0002
Highest regularization parameter α highest_alpha78300000.0000
Real-space data points n_real_points49
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.838; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 1.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)