9s18

WRN helicase in complex with HRO761

Method: X-RAY DIFFRACTION Dmax: 83.1 Å Quality: GOOD

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

;Bifunctional 3'-5' exonuclease/ATP-dependent helicase WRN ;

Homo sapiens

UniProt Q14191

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 517–943 Not recorded FLC CITRATE ANION × 3 EDO 1,2-ETHANEDIOL × 4 YHC ~{N}-[2-chloranyl-4-(trifluoromethyl)phenyl]-2-[2-(3,6-dihydro-2~{H}-pyran-4-yl)-5-ethyl-6-[4-(6-methyl-5-oxidanyl-pyrimidin-4-yl)carbonylpiperazin-1-yl]-7-oxidanylidene-[1,2,4]triazolo[1,5-a]pyrimidin-4-yl]ethanamide × 1 DMS DIMETHYL SULFOXIDE × 1 PEG DI(HYDROXYETHYL)ETHER × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.5;277 K;0.3M trisodium citrate tetrahydrate, 0.1M sodium citrate, pH 4.25 and 10% PEG 3350. Resolution 2.00 Å R-free 0.251

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.

49 other PDB entries and 61 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name WRN_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 17–443; UniProt 517–943

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 9s18

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9s18
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9s18
Deposition date deposition_date2025-07-18
最后修订 last_revision2026-05-27
Structure title titleWRN helicase in complex with HRO761
Keywords keywordsInhibitor, Covalent, Helicase, allosteric, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.44
Radius of gyration Rg (electron density) rg_electron23.72
Forward intensity I(0) i042663300.00
Molecular weight molecular_weight49830.0 kDa
Excluded volume excluded_volume62123 ų
Envelope volume envelope_volume74265 ų
Hydration-shell volume shell_volume26316 ų
Envelope diameter envelope_diameter86.9
Shell Rg shell_rg30.54
Envelope Rg envelope_rg23.87
Shape Rg shape_rg23.69
Total Rg total_rg24.58
Total atoms total_atoms3482
Residues n_residues422
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 dmax83.1
Rg (real space) rg_real24.44
Rg uncertainty (real space) rg_real_error0.54
I(0) (real space) i0_real4.2660e+07
I(0) uncertainty (real space) i0_real_error6.7940e+05
Rg (reciprocal space) rg_reciprocal24.44
I(0) (reciprocal space) i0_reciprocal42660000.0000
Solution quality estimate total_estimate0.8739
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.7
Skewness Skewness skewness0.383
Kurtosis Kurtosis kurtosis-0.261
Angular range angular_range— – 0.3250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha9469000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.800; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.960; Smooth: 0.998

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

8. Citations (1)

9. Files and Curves (10)