7lyn

South African (B.1.351) SARS-CoV-2 spike protein variant (S-GSAS-B.1.351) in the 1-RBD-up conformation

Method: ELECTRON MICROSCOPY Dmax: 172.3 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 × 38 ELECTRON MICROSCOPY cryo-EM buffer:pH 8 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.32 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 7lyn

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id7lyn
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 1-RBD-up 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_guinier49.57
Radius of gyration Rg (electron density) rg_electron49.32
Forward intensity I(0) i01566460000.00
Molecular weight molecular_weight335390.0 kDa
Excluded volume excluded_volume421720 ų
Envelope volume envelope_volume603280 ų
Hydration-shell volume shell_volume100240 ų
Envelope diameter envelope_diameter188.1
Shell Rg shell_rg54.53
Envelope Rg envelope_rg48.70
Shape Rg shape_rg49.38
Total Rg total_rg49.30
Total atoms total_atoms23641
Residues n_residues2985
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 dmax172.3
Rg (real space) rg_real49.52
Rg uncertainty (real space) rg_real_error1.56
I(0) (real space) i0_real1.5660e+09
I(0) uncertainty (real space) i0_real_error2.7670e+07
Rg (reciprocal space) rg_reciprocal49.57
I(0) (reciprocal space) i0_reciprocal1567000000.0000
Solution quality estimate total_estimate0.6520
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary59.2
Skewness Skewness skewness0.372
Kurtosis Kurtosis kurtosis-0.166
Angular range angular_range— – 0.1600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha264400000.0000
Real-space data points n_real_points33
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.766; Stabil: 1.000; Sysdev: 0.087; Positv: 1.000; Valcen: 0.999; Smooth: 0.913

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_id7lynA01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily960 — Spike glycoprotein, N-terminal domain
Domain ID domain_id7lynB01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily960 — Spike glycoprotein, N-terminal domain
Domain ID domain_id7lynC01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily960 — Spike glycoprotein, N-terminal domain

8. Citations (4)

9. Files and Curves (10)