8g7a

SARS-CoV-2 spike/Nb3 complex with 2 RBDs up and 3 Nb3 (local refinement)

Method: ELECTRON MICROSCOPY Dmax: 160.5 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 Protein heterocomplex Heteromer Protein × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain A; UniProt 14–1211 Chain B; UniProt 14–1211 Chain D; UniProt 14–1211 Not recorded Nanosota-3 × 3 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 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 2
Chains and sequence ranges Author chain A; PDBConstruct 1–1198; UniProt 14–1211 Author chain B; PDBConstruct 1–1198; UniProt 14–1211 Author chain D; PDBConstruct 1–1198; UniProt 14–1211

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 8g7a

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8g7a
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8g7a
Deposition date deposition_date2023-02-16
Structure title titleSARS-CoV-2 spike/Nb3 complex with 2 RBDs up and 3 Nb3 (local refinement)
Keywords keywordsSARS-CoV-2, VIRAL PROTEIN-IMMUNE SYSTEM complex, Nanobody; VIRAL PROTEIN/IMMUNE SYSTEM
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier53.02
Radius of gyration Rg (electron density) rg_electron52.32
Forward intensity I(0) i0747971000.00
Molecular weight molecular_weight229930.0 kDa
Excluded volume excluded_volume288240 ų
Envelope volume envelope_volume470240 ų
Hydration-shell volume shell_volume75528 ų
Envelope diameter envelope_diameter166.8
Shell Rg shell_rg57.11
Envelope Rg envelope_rg49.26
Shape Rg shape_rg52.30
Total Rg total_rg52.56
Total atoms total_atoms16237
Residues n_residues2046
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 dmax160.5
Rg (real space) rg_real52.75
Rg uncertainty (real space) rg_real_error1.21
I(0) (real space) i0_real7.4800e+08
I(0) uncertainty (real space) i0_real_error1.5050e+07
Rg (reciprocal space) rg_reciprocal53.22
I(0) (reciprocal space) i0_reciprocal748400000.0000
Solution quality estimate total_estimate0.8861
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary74.9
Skewness Skewness skewness-0.075
Kurtosis Kurtosis kurtosis-0.670
Angular range angular_range— – 0.1500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha25670000.0000
Real-space data points n_real_points31
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.938; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.992; Smooth: 0.708

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)