9x71

the closed-form Hsp90a NTD

Method: SOLUTION NMR Dmax: 54.9 Å Quality: GOOD

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

Heat shock protein HSP 90-alpha

Homo sapiens

UniProt P07900

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–237 Fragment:N-terminal domain No other associated polymer SOLUTION NMR NMR measurement conditions:pH 7;298 K;Ionic strength (raw mmCIF value) 50;Pressure 1 NMR sample composition:300 uM [U-100% 15N] Hsp90a NTD, 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition:300 uM [U-100% 13C; U-100% 15N] Hsp90a NTD, 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition:300 uM [U-100% 13C Leu,Thr,Val,Ala,Ile,Met] Hsp90a NTD, 90% H2O/10% D2O | 90% H2O/10% D2O Resolution not provided

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.

438 other PDB entries and 530 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name HS90A_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–237; UniProt 1–237

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 9x71

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9x71
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9x71
Deposition date deposition_date2025-10-16
最后修订 last_revision2026-02-11
Structure title titlethe closed-form Hsp90a NTD
Keywords keywordsHsp90, CHAPERONE; CHAPERONE
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier17.21
Radius of gyration Rg (electron density) rg_electron16.84
Forward intensity I(0) i0716431000.00
Molecular weight molecular_weight230840.0 kDa
Excluded volume excluded_volume290890 ų
Envelope volume envelope_volume52189 ų
Hydration-shell volume shell_volume22542 ų
Envelope diameter envelope_diameter57.9
Shell Rg shell_rg25.86
Envelope Rg envelope_rg18.76
Shape Rg shape_rg16.82
Total Rg total_rg17.11
Total atoms total_atoms32590
Residues n_residues2070
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 dmax54.9
Rg (real space) rg_real17.07
Rg uncertainty (real space) rg_real_error0.27
I(0) (real space) i0_real7.1640e+08
I(0) uncertainty (real space) i0_real_error8.1090e+06
Rg (reciprocal space) rg_reciprocal17.09
I(0) (reciprocal space) i0_reciprocal716400000.0000
Solution quality estimate total_estimate0.8915
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary53.4
Skewness Skewness skewness0.052
Kurtosis Kurtosis kurtosis-0.507
Angular range angular_range— – 0.4600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1289000.0000
Real-space data points n_real_points77
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.865; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.990; Smooth: 0.999

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

8. Citations (1)

9. Files and Curves (10)