8dul

Cryo-EM Structure of Antibody SKT05 in complex with Western Equine Encephalitis Virus spike (local refinement from VLP particles)

Method: ELECTRON MICROSCOPY Dmax: 141.6 Å Quality: GOOD

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

Spike glycoprotein E2

Western equine encephalitis virus

UniProt P13897

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 8 其他Polymer 1 PDB declaration: octameric(8) Consistent with protein copy count Chain A; UniProt 738–1226 Chain B; UniProt 330–737 Chain F; UniProt 738–1226 Chain G; UniProt 330–737 Chain J; UniProt 738–1226 Chain K; UniProt 330–737 Not recorded Antibody Fab SKT05 heavy chain × 1 Antibody Fab SKT05 light chain × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 8 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 4.17 Å

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.

17 other PDB entries and 21 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POLS_WEEV
Isoform
PDB entities 1, 2
Chains and sequence ranges Author chain B; PDBConstruct 1–408; UniProt 330–737 Author chain G; PDBConstruct 1–408; UniProt 330–737 Author chain K; PDBConstruct 1–408; UniProt 330–737 Author chain A; PDBConstruct 1–489; UniProt 738–1226 Author chain F; PDBConstruct 1–489; UniProt 738–1226 Author chain J; PDBConstruct 1–489; UniProt 738–1226

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 8dul

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8dul
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8dul
Deposition date deposition_date2022-07-27
Structure title titleCryo-EM Structure of Antibody SKT05 in complex with Western Equine Encephalitis Virus spike (local refinement from VLP particles)
Keywords keywordsAntibody, SKT05, Western Equine Encephalitis Virus, broadly neutralizing, IMMUNE SYSTEM; IMMUNE SYSTEM
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier42.67
Radius of gyration Rg (electron density) rg_electron42.13
Forward intensity I(0) i0623394000.00
Molecular weight molecular_weight202070.0 kDa
Excluded volume excluded_volume251660 ų
Envelope volume envelope_volume362210 ų
Hydration-shell volume shell_volume71085 ų
Envelope diameter envelope_diameter150.1
Shell Rg shell_rg48.01
Envelope Rg envelope_rg41.44
Shape Rg shape_rg42.09
Total Rg total_rg42.55
Total atoms total_atoms14203
Residues n_residues1787
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 dmax141.6
Rg (real space) rg_real42.56
Rg uncertainty (real space) rg_real_error0.99
I(0) (real space) i0_real6.2340e+08
I(0) uncertainty (real space) i0_real_error1.1010e+07
Rg (reciprocal space) rg_reciprocal42.67
I(0) (reciprocal space) i0_reciprocal623500000.0000
Solution quality estimate total_estimate0.8835
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary53.6
Skewness Skewness skewness0.259
Kurtosis Kurtosis kurtosis-0.343
Angular range angular_range— – 0.1850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha75090000.0000
Real-space data points n_real_points38
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.855; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.924

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)