7lym

South African (B.1.351) SARS-CoV-2 spike protein variant (S-GSAS-B.1.351) in the RBD-down conformation

Method: ELECTRON MICROSCOPY Dmax: 157.4 Å Quality: REASONABLE

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 homooligomer Homooligomer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 1–1208 Chain B; UniProt 1–1208 Chain C; UniProt 1–1208 Mutation:N501Y, K417N, E484K, L18F, D80A, D215G, R246I, A701V, D614G, R682G, R683S, R685S NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 33 ELECTRON MICROSCOPY cryo-EM buffer:pH 8 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.57 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 1
Chains and sequence ranges Author chain A; PDBConstruct 1–1208; UniProt 1–1208 Author chain B; PDBConstruct 1–1208; UniProt 1–1208 Author chain C; PDBConstruct 1–1208; UniProt 1–1208

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 7lym

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id7lym
Deposition date deposition_date2021-03-07
Structure title titleSouth African (B.1.351) SARS-CoV-2 spike protein variant (S-GSAS-B.1.351) in the RBD-down conformation
Keywords keywordsSARS-CoV-2 Spike Protein Trimer, VIRAL PROTEIN; VIRAL PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier48.56
Radius of gyration Rg (electron density) rg_electron48.20
Forward intensity I(0) i01608250000.00
Molecular weight molecular_weight339300.0 kDa
Excluded volume excluded_volume426430 ų
Envelope volume envelope_volume598700 ų
Hydration-shell volume shell_volume100580 ų
Envelope diameter envelope_diameter166.5
Shell Rg shell_rg54.42
Envelope Rg envelope_rg47.57
Shape Rg shape_rg48.25
Total Rg total_rg48.25
Total atoms total_atoms23916
Residues n_residues3006
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 dmax157.4
Rg (real space) rg_real49.48
Rg uncertainty (real space) rg_real_error0.48
I(0) (real space) i0_real1.5860e+09
I(0) uncertainty (real space) i0_real_error2.3320e+07
Rg (reciprocal space) rg_reciprocal48.56
I(0) (reciprocal space) i0_reciprocal1608000000.0000
Solution quality estimate total_estimate0.6975
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary54.1
Skewness Skewness skewness0.382
Kurtosis Kurtosis kurtosis-0.248
Angular range angular_range— – 0.1600 −1
Current regularization parameter α current_alpha1.5420
Highest regularization parameter α highest_alpha327800000.0000
Real-space data points n_real_points33
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.904; Stabil: 0.919; Sysdev: 0.000; Positv: 1.000; Valcen: 0.990; Smooth: 0.620

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id7lymA01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily960 — Spike glycoprotein, N-terminal domain
Domain ID domain_id7lymB01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily960 — Spike glycoprotein, N-terminal domain
Domain ID domain_id7lymC01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily960 — Spike glycoprotein, N-terminal domain

8. Citations (2)

9. Files and Curves (10)