8wcg

Crystal structure of SARS-CoV-1 RBD in complex with nanobody aSR29 and aSR347

Method: X-RAY DIFFRACTION Dmax: 145.6 Å Quality: REASONABLE

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

Spike protein S1

Severe acute respiratory syndrome coronavirus

UniProt P59594

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 320–516 Chain B; UniProt 320–516 Not recorded aSR29 nanobody × 2 aSR347 nanobody × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;291.15 K;20% w/v PEG4000, 0.1 M Tris 8.0 Resolution 2.60 Å R-free 0.279

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.

76 other PDB entries and 98 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SPIKE_SARS
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–197; UniProt 320–516 Author chain B; PDBConstruct 1–197; UniProt 320–516

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 8wcg

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8wcg
Deposition date deposition_date2023-09-12
Structure title titleCrystal structure of SARS-CoV-1 RBD in complex with nanobody aSR29 and aSR347
Keywords keywordsalpaca, ANTIVIRAL PROTEIN; ANTIVIRAL PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier36.27
Radius of gyration Rg (electron density) rg_electron36.66
Forward intensity I(0) i0158349000.00
Molecular weight molecular_weight99468.0 kDa
Excluded volume excluded_volume123530 ų
Envelope volume envelope_volume157760 ų
Hydration-shell volume shell_volume39785 ų
Envelope diameter envelope_diameter155.5
Shell Rg shell_rg38.20
Envelope Rg envelope_rg36.80
Shape Rg shape_rg36.58
Total Rg total_rg37.02
Total atoms total_atoms7013
Residues n_residues901
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 dmax145.6
Rg (real space) rg_real36.81
Rg uncertainty (real space) rg_real_error2.23
I(0) (real space) i0_real1.5830e+08
I(0) uncertainty (real space) i0_real_error2.5470e+06
Rg (reciprocal space) rg_reciprocal36.47
I(0) (reciprocal space) i0_reciprocal158300000.0000
Solution quality estimate total_estimate0.7423
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary39.7
Skewness Skewness skewness0.783
Kurtosis Kurtosis kurtosis0.531
Angular range angular_range— – 0.2200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha15910000.0000
Real-space data points n_real_points45
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.414; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.471; Smooth: 0.934

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)