7wec

SARS-CoV-2 Omicron variant spike protein with three XGv347 Fabs binding to three closed state RBDs

Method: ELECTRON MICROSCOPY Dmax: 192.1 Å Quality: GOOD

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

Spike glycoprotein

Severe acute respiratory syndrome coronavirus 2

UniProt P0DTC2

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 × 9 其他Polymer 21 PDB declaration: nonameric(9) Consistent with protein copy count Chain A; UniProt 1–1273 Chain B; UniProt 1–1273 Chain C; UniProt 1–1273 Not recorded The heavy chain of Fab XGv347 × 3 The light chain of Fab XGv347 × 3 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 16 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 5 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 31 ELECTRON MICROSCOPY cryo-EM buffer:pH 8.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.30 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.

2152 other PDB entries and 2473 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SPIKE_SARS2
Isoform
PDB entities 3
Chains and sequence ranges Author chain A; PDBConstruct 1–1270; UniProt 1–1273 Author chain B; PDBConstruct 1–1270; UniProt 1–1273 Author chain C; PDBConstruct 1–1270; UniProt 1–1273

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 7wec

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7wec
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7wec
Deposition date deposition_date2021-12-23
Structure title titleSARS-CoV-2 Omicron variant spike protein with three XGv347 Fabs binding to three closed state RBDs
Keywords keywordsSARS-CoV-2, Omicron, Spike-Fab complex, VIRAL PROTEIN, IMMUNE SYSTEM-VIRAL PROTEIN complex; IMMUNE SYSTEM/VIRAL PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier57.54
Radius of gyration Rg (electron density) rg_electron57.10
Forward intensity I(0) i02919440000.00
Molecular weight molecular_weight457430.0 kDa
Excluded volume excluded_volume573620 ų
Envelope volume envelope_volume864970 ų
Hydration-shell volume shell_volume125730 ų
Envelope diameter envelope_diameter205.1
Shell Rg shell_rg59.94
Envelope Rg envelope_rg56.60
Shape Rg shape_rg57.12
Total Rg total_rg57.09
Total atoms total_atoms32217
Residues n_residues3984
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 dmax192.1
Rg (real space) rg_real57.50
Rg uncertainty (real space) rg_real_error1.58
I(0) (real space) i0_real2.9190e+09
I(0) uncertainty (real space) i0_real_error6.2460e+07
Rg (reciprocal space) rg_reciprocal57.56
I(0) (reciprocal space) i0_reciprocal2920000000.0000
Solution quality estimate total_estimate0.8668
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary64.0
Skewness Skewness skewness0.355
Kurtosis Kurtosis kurtosis-0.233
Angular range angular_range— – 0.1350 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha328600000.0000
Real-space data points n_real_points28
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.852; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.712

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 9 domains

CATH v4.4 (9 domains)

Domain ID domain_id7wecA01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily960 — Spike glycoprotein, N-terminal domain
Domain ID domain_id7wecB01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily960 — Spike glycoprotein, N-terminal domain
Domain ID domain_id7wecC01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily960 — Spike glycoprotein, N-terminal domain
Domain ID domain_id7wecG01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7wecH01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7wecI01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7wecJ01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7wecK01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7wecL01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)