3r92

Discovery of a macrocyclic o-aminobenzamide Hsp90 inhibitor with heterocyclic tether that shows extended biomarker activity and in vivo efficacy in a mouse xenograft model.

Method: X-RAY DIFFRACTION Dmax: 55.0 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 10–236 Fragment:N-terminal domain, UNP RESIDUES 10-236 06J (3aR)-13,13,16-trimethyl-15-oxo-1,2,3,3a,4,5,12,14,15,17,18,19-dodecahydro-13H-10,6-(metheno)pyrrolo[2',1':3,4][1,4,9]triazacyclotetradecino[9,8-a]indole-7-carboxamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;277 K;25% PEG3000, 0.1 M MES, pH 6.5, TEMPERATURE 277K; FROZEN BY 1-STEP TRANSFER TO 25% GLYCEROL, 19% PEG3000, 0.075M MES, VAPOR DIFFUSION, HANGING DROP Resolution 1.58 Å R-free 0.194

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 1–226; UniProt 10–236

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 3r92

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3r92
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3r92
Deposition date deposition_date2011-03-24
Structure title titleDiscovery of a macrocyclic o-aminobenzamide Hsp90 inhibitor with heterocyclic tether that shows extended biomarker activity and in vivo efficacy in a mouse xenograft model.
Keywords keywords;Chaperone, ATP binding domain, ATP-binding, Nucleotide-binding, Phosphoprotein, Stress response, CHAPERONE-CHAPERONE INHIBITOR complex ;; CHAPERONE/CHAPERONE INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier17.73
Radius of gyration Rg (electron density) rg_electron16.69
Forward intensity I(0) i018362700.00
Molecular weight molecular_weight21958.0 kDa
Excluded volume excluded_volume21348 ų
Envelope volume envelope_volume33957 ų
Hydration-shell volume shell_volume16877 ų
Envelope diameter envelope_diameter54.4
Shell Rg shell_rg22.97
Envelope Rg envelope_rg17.01
Shape Rg shape_rg16.65
Total Rg total_rg17.51
Total atoms total_atoms1667
Residues n_residues208
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 dmax55.0
Rg (real space) rg_real17.59
Rg uncertainty (real space) rg_real_error0.26
I(0) (real space) i0_real1.8360e+07
I(0) uncertainty (real space) i0_real_error2.1660e+05
Rg (reciprocal space) rg_reciprocal17.61
I(0) (reciprocal space) i0_reciprocal18360000.0000
Solution quality estimate total_estimate0.9023
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary22.0
Skewness Skewness skewness0.111
Kurtosis Kurtosis kurtosis-0.487
Angular range angular_range— – 0.4500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3715000.0000
Real-space data points n_real_points76
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.911; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.994; Smooth: 0.999

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_idd3r92a_
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_id3r92A00
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)