7tik

Structure of the SARS-CoV-2 Omicron spike post-fusion bundle

Method: ELECTRON MICROSCOPY Dmax: 113.2 Å Quality: REASONABLE

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

;Ferritin, Dps family protein and Spike protein S2' chimera ;

Severe acute respiratory syndrome coronavirus 2

UniProt A0A7U1MAX9

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain A; UniProt 917–988 Chain B; UniProt 917–988 Chain C; UniProt 917–988 Not recorded ;Spike protein S2' ; × 3 (P0DTC2) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.40 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.

No other PDB entry for the same UniProt protein was found.

View Construct and Data Evidence
UniProt name A0A7U1MAX9_SARS2
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 186–257; UniProt 917–988 Author chain B; PDBConstruct 186–257; UniProt 917–988 Author chain C; PDBConstruct 186–257; UniProt 917–988

;Ferritin, Dps family protein and Spike protein S2' chimera ;

Severe acute respiratory syndrome coronavirus 2

UniProt B2J981

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Heteromer Protein × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain A; UniProt 4–178 Chain B; UniProt 4–178 Chain C; UniProt 4–178 Not recorded ;Spike protein S2' ; × 3 (P0DTC2) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.40 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.

12 other PDB entries and 12 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name B2J981_NOSP7
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 10–184; UniProt 4–178 Author chain B; PDBConstruct 10–184; UniProt 4–178 Author chain C; PDBConstruct 10–184; UniProt 4–178

;Spike protein S2' ;

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 Insufficient information Heteromer Protein × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain D; UniProt 1157–1201 Chain E; UniProt 1157–1201 Chain F; UniProt 1157–1201 Not recorded ;Ferritin, Dps family protein and Spike protein S2' chimera ; × 3 (B2J981,A0A7U1MAX9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.40 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 2
Chains and sequence ranges Author chain D; PDBConstruct 1–45; UniProt 1157–1201 Author chain E; PDBConstruct 1–45; UniProt 1157–1201 Author chain F; PDBConstruct 1–45; UniProt 1157–1201

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 7tik

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id7tik
Deposition date deposition_date2022-01-13
Structure title titleStructure of the SARS-CoV-2 Omicron spike post-fusion bundle
Keywords keywordsSARS-CoV-2, Omicron, postfusion bundle, VIRAL PROTEIN; VIRAL PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier30.25
Radius of gyration Rg (electron density) rg_electron30.78
Forward intensity I(0) i022865700.00
Molecular weight molecular_weight36455.0 kDa
Excluded volume excluded_volume45492 ų
Envelope volume envelope_volume56875 ų
Hydration-shell volume shell_volume18610 ų
Envelope diameter envelope_diameter109.8
Shell Rg shell_rg31.29
Envelope Rg envelope_rg31.69
Shape Rg shape_rg30.81
Total Rg total_rg30.76
Total atoms total_atoms2565
Residues n_residues339
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 dmax113.2
Rg (real space) rg_real30.96
Rg uncertainty (real space) rg_real_error1.41
I(0) (real space) i0_real2.2870e+07
I(0) uncertainty (real space) i0_real_error3.7070e+05
Rg (reciprocal space) rg_reciprocal30.66
I(0) (reciprocal space) i0_reciprocal22860000.0000
Solution quality estimate total_estimate0.6437
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.8
Skewness Skewness skewness0.711
Kurtosis Kurtosis kurtosis-0.289
Angular range angular_range— – 0.2600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha17050000.0000
Real-space data points n_real_points53
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.151; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.032; Smooth: 0.880

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)