2wi4

Orally Active 2-Amino Thienopyrimidine Inhibitors of the Hsp90 Chaperone

Method: X-RAY DIFFRACTION Dmax: 54.4 Å Quality: EXCELLENT

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 1–236 Fragment:N-TERMINAL ATP-BINDING DOMAIN, RESIDUES 1-236 ZZ4 4-(2,4-dichlorophenyl)-5-phenyldiazenyl-pyrimidin-2-amine × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6.5;pH 6.5 Resolution 2.40 Å R-free 0.285

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 1–236; UniProt 1–236

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 2wi4

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2wi4
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2wi4
Deposition date deposition_date2009-05-08
Structure title titleOrally Active 2-Amino Thienopyrimidine Inhibitors of the Hsp90 Chaperone
Keywords keywordsPU3, HSP90, ATPASE, CHAPERONE, HEAT SHOCK, STRESS RESPONSE, NUCLEOTIDE-BINDING, ATP-BINDING, PHOSPHOPROTEIN, PHOSPHORYLATION; CHAPERONE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.00
Radius of gyration Rg (electron density) rg_electron16.72
Forward intensity I(0) i09933290.00
Molecular weight molecular_weight23572.0 kDa
Excluded volume excluded_volume29618 ų
Envelope volume envelope_volume33751 ų
Hydration-shell volume shell_volume16788 ų
Envelope diameter envelope_diameter53.9
Shell Rg shell_rg22.95
Envelope Rg envelope_rg16.99
Shape Rg shape_rg16.72
Total Rg total_rg17.77
Total atoms total_atoms1659
Residues n_residues209
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 dmax54.4
Rg (real space) rg_real17.86
Rg uncertainty (real space) rg_real_error0.23
I(0) (real space) i0_real9.9330e+06
I(0) uncertainty (real space) i0_real_error1.1080e+05
Rg (reciprocal space) rg_reciprocal17.88
I(0) (reciprocal space) i0_reciprocal9933000.0000
Solution quality estimate total_estimate0.9015
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary53.7
Skewness Skewness skewness0.084
Kurtosis Kurtosis kurtosis-0.488
Angular range angular_range— – 0.4400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2044000.0000
Real-space data points n_real_points75
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.932; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.979; Smooth: 0.940

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2wi4a_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.122 — ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase
Superfamily Superfamily superfamilyd.122.1 — ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase
Family Family familyd.122.1.1 — Heat shock protein 90, HSP90, N-terminal domain

CATH v4.4 (1 domains)

Domain ID domain_id2wi4A00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology565 — Heat Shock Protein 90
Homologous superfamily homologous superfamily10 — Histidine kinase-like ATPase, C-terminal domain

8. Citations (1)

9. Files and Curves (10)