9ay1

Cryo-EM structure of SINV/EEEV in complex with a potently neutralizing human antibody IgG EEEV-373

Method: ELECTRON MICROSCOPY Dmax: 199.4 Å Quality: GOOD

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

Spike glycoprotein E1

Eastern equine encephalitis virus

UniProt Q4QXJ7

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 × 600 其他Polymer 240 PDB declaration: 600-meric(600) Consistent with protein copy count Chain A; UniProt 802–1201 Chain B; UniProt 802–1201 Chain C; UniProt 802–1201 Chain D; UniProt 802–1201 Not recorded IgG EEEV-373 Heavy chain × 60 IgG EEEV-373 Light chain × 60 E2 glycoprotein × 240 (A9XR09) beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 180 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 60 BMA beta-D-mannopyranose × 60 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 240 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 4.60 Å
2 Other combination Heteromer Protein × 10 其他Polymer 4 PDB declaration: decameric(10) Consistent with protein copy count Chain A; UniProt 802–1201 Chain B; UniProt 802–1201 Chain C; UniProt 802–1201 Chain D; UniProt 802–1201 Not recorded IgG EEEV-373 Heavy chain × 1 IgG EEEV-373 Light chain × 1 E2 glycoprotein × 4 (A9XR09) beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 3 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 BMA beta-D-mannopyranose × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 4.60 Å
3 Other combination Heteromer Protein × 50 其他Polymer 20 PDB declaration: 50-meric(50) Consistent with protein copy count Chain A; UniProt 802–1201 Chain B; UniProt 802–1201 Chain C; UniProt 802–1201 Chain D; UniProt 802–1201 Not recorded IgG EEEV-373 Heavy chain × 5 IgG EEEV-373 Light chain × 5 E2 glycoprotein × 20 (A9XR09) beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 15 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 5 BMA beta-D-mannopyranose × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 20 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 4.60 Å
4 Other combination Heteromer Protein × 60 其他Polymer 24 PDB declaration: 60-meric(60) Consistent with protein copy count Chain A; UniProt 802–1201 Chain B; UniProt 802–1201 Chain C; UniProt 802–1201 Chain D; UniProt 802–1201 Not recorded IgG EEEV-373 Heavy chain × 6 IgG EEEV-373 Light chain × 6 E2 glycoprotein × 24 (A9XR09) beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 18 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 6 BMA beta-D-mannopyranose × 6 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 24 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 4.60 Å
5 Other combination Heteromer Protein × 10 其他Polymer 4 PDB declaration: decameric(10) Consistent with protein copy count Chain A; UniProt 802–1201 Chain B; UniProt 802–1201 Chain C; UniProt 802–1201 Chain D; UniProt 802–1201 Not recorded IgG EEEV-373 Heavy chain × 1 IgG EEEV-373 Light chain × 1 E2 glycoprotein × 4 (A9XR09) beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 3 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 BMA beta-D-mannopyranose × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 4.60 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.

10 other PDB entries and 10 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POLS_EEEVF
Isoform
PDB entities 3
Chains and sequence ranges Author chain A; PDBConstruct 1–400; UniProt 802–1201 Author chain B; PDBConstruct 1–400; UniProt 802–1201 Author chain C; PDBConstruct 1–400; UniProt 802–1201 Author chain D; PDBConstruct 1–400; UniProt 802–1201

E2 glycoprotein

Eastern equine encephalitis virus

UniProt A9XR09

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 × 600 其他Polymer 240 PDB declaration: 600-meric(600) Consistent with protein copy count Chain a; UniProt 1–338 Chain b; UniProt 1–338 Chain c; UniProt 1–338 Chain d; UniProt 1–338 Not recorded IgG EEEV-373 Heavy chain × 60 IgG EEEV-373 Light chain × 60 Spike glycoprotein E1 × 240 (Q4QXJ7) beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 180 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 60 BMA beta-D-mannopyranose × 60 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 240 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 4.60 Å
2 Other combination Heteromer Protein × 10 其他Polymer 4 PDB declaration: decameric(10) Consistent with protein copy count Chain a; UniProt 1–338 Chain b; UniProt 1–338 Chain c; UniProt 1–338 Chain d; UniProt 1–338 Not recorded IgG EEEV-373 Heavy chain × 1 IgG EEEV-373 Light chain × 1 Spike glycoprotein E1 × 4 (Q4QXJ7) beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 3 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 BMA beta-D-mannopyranose × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 4.60 Å
3 Other combination Heteromer Protein × 50 其他Polymer 20 PDB declaration: 50-meric(50) Consistent with protein copy count Chain a; UniProt 1–338 Chain b; UniProt 1–338 Chain c; UniProt 1–338 Chain d; UniProt 1–338 Not recorded IgG EEEV-373 Heavy chain × 5 IgG EEEV-373 Light chain × 5 Spike glycoprotein E1 × 20 (Q4QXJ7) beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 15 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 5 BMA beta-D-mannopyranose × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 20 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 4.60 Å
4 Other combination Heteromer Protein × 60 其他Polymer 24 PDB declaration: 60-meric(60) Consistent with protein copy count Chain a; UniProt 1–338 Chain b; UniProt 1–338 Chain c; UniProt 1–338 Chain d; UniProt 1–338 Not recorded IgG EEEV-373 Heavy chain × 6 IgG EEEV-373 Light chain × 6 Spike glycoprotein E1 × 24 (Q4QXJ7) beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 18 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 6 BMA beta-D-mannopyranose × 6 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 24 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 4.60 Å
5 Other combination Heteromer Protein × 10 其他Polymer 4 PDB declaration: decameric(10) Consistent with protein copy count Chain a; UniProt 1–338 Chain b; UniProt 1–338 Chain c; UniProt 1–338 Chain d; UniProt 1–338 Not recorded IgG EEEV-373 Heavy chain × 1 IgG EEEV-373 Light chain × 1 Spike glycoprotein E1 × 4 (Q4QXJ7) beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 3 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 BMA beta-D-mannopyranose × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 4.60 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.

4 other PDB entries and 4 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A9XR09_EEEV
Isoform
PDB entities 4
Chains and sequence ranges Author chain a; PDBConstruct 1–338; UniProt 1–338 Author chain b; PDBConstruct 1–338; UniProt 1–338 Author chain c; PDBConstruct 1–338; UniProt 1–338 Author chain d; PDBConstruct 1–338; UniProt 1–338

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 9ay1

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9ay1
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9ay1
Deposition date deposition_date2024-03-07
Structure title titleCryo-EM structure of SINV/EEEV in complex with a potently neutralizing human antibody IgG EEEV-373
Keywords keywordscryo-EM, single particle, virus neutralization, intra-virion crosslink, VIRUS-IMMUNE SYSTEM complex, VIRUS; VIRUS
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier58.83
Radius of gyration Rg (electron density) rg_electron57.49
Forward intensity I(0) i02009790000.00
Molecular weight molecular_weight353650.0 kDa
Excluded volume excluded_volume433190 ų
Envelope volume envelope_volume702770 ų
Hydration-shell volume shell_volume102830 ų
Envelope diameter envelope_diameter211.2
Shell Rg shell_rg57.73
Envelope Rg envelope_rg57.84
Shape Rg shape_rg57.56
Total Rg total_rg57.26
Total atoms total_atoms24892
Residues n_residues3394
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 dmax199.4
Rg (real space) rg_real58.82
Rg uncertainty (real space) rg_real_error1.79
I(0) (real space) i0_real2.0100e+09
I(0) uncertainty (real space) i0_real_error4.2230e+07
Rg (reciprocal space) rg_reciprocal58.81
I(0) (reciprocal space) i0_reciprocal2010000000.0000
Solution quality estimate total_estimate0.8738
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary73.9
Skewness Skewness skewness0.316
Kurtosis Kurtosis kurtosis-0.262
Angular range angular_range— – 0.1350 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha87110000.0000
Real-space data points n_real_points28
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.871; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.741

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

8. Citations (1)

9. Files and Curves (10)