2fby

WRN exonuclease, Eu complex

Method: X-RAY DIFFRACTION Dmax: 63.7 Å Quality: REASONABLE

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

Werner syndrome helicase

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 38–236 Fragment:Exonuclease domain EU3 EUROPIUM (III) ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 4.5;5ul of 4.5mg/ml WRN exonuclease buffered in 25mM Tris HCL, 100mM NaCl, pH 7.5, mixed with 5ul 1% MPEG 2K, 200mM Na Acetate, pH 4.5 from the reservior solution and 1ul EDTA additive, VAPOR DIFFUSION, SITTING DROP, pH 4.50 Resolution 2.00 Å R-free 0.245

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 7–205; UniProt 38–236

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 2fby

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2fby
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id2fby
Deposition date deposition_date2005-12-10
Structure title titleWRN exonuclease, Eu complex
Keywords keywords;RecQ, WRN, Werner Syndrome, 3'-5' exonuclease, DnaQ family, TRANSFERASE ;; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier17.89
Radius of gyration Rg (electron density) rg_electron16.71
Forward intensity I(0) i09002230.00
Molecular weight molecular_weight22534.0 kDa
Excluded volume excluded_volume28302 ų
Envelope volume envelope_volume32252 ų
Hydration-shell volume shell_volume16141 ų
Envelope diameter envelope_diameter62.8
Shell Rg shell_rg23.05
Envelope Rg envelope_rg17.32
Shape Rg shape_rg16.77
Total Rg total_rg17.62
Total atoms total_atoms1567
Residues n_residues196
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 dmax63.7
Rg (real space) rg_real17.84
Rg uncertainty (real space) rg_real_error0.45
I(0) (real space) i0_real9.0020e+06
I(0) uncertainty (real space) i0_real_error1.1140e+05
Rg (reciprocal space) rg_reciprocal17.84
I(0) (reciprocal space) i0_reciprocal9002000.0000
Solution quality estimate total_estimate0.6161
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.5
Skewness Skewness skewness0.317
Kurtosis Kurtosis kurtosis-0.110
Angular range angular_range— – 0.4450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1688000.0000
Real-space data points n_real_points75
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.658; Stabil: 1.000; Sysdev: 0.346; Positv: 1.000; Valcen: 0.993; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id2fbyA00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H

8. Citations (1)

9. Files and Curves (10)