7fjn

Cryo-EM structure of South African (B.1.351) SARS-CoV-2 spike glycoprotein in complex with two T6 Fab

Method: ELECTRON MICROSCOPY Dmax: 196.6 Å Quality: GOOD

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

Spike glycoprotein,Envelope glycoprotein

Human immunodeficiency virus 1

UniProt M1E1E4

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 × 7 PDB declaration: heptameric(7) Consistent with protein copy count Chain A; UniProt 1–28 Chain B; UniProt 1–28 Chain C; UniProt 1–28 Mutation:R682G,R683S,R685S,K968P,V969P,S305T T6 heavy chain × 2 T6 light chain × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 25 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.2 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.25 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.

24 other PDB entries and 27 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name M1E1E4_9HIV1
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1193–1220; UniProt 1–28 Author chain B; PDBConstruct 1193–1220; UniProt 1–28 Author chain C; PDBConstruct 1193–1220; UniProt 1–28

Spike glycoprotein,Envelope glycoprotein

Human immunodeficiency virus 1

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 × 7 PDB declaration: heptameric(7) Consistent with protein copy count Chain A; UniProt 16–1208 Chain B; UniProt 16–1208 Chain C; UniProt 16–1208 Mutation:R682G,R683S,R685S,K968P,V969P,S305T T6 heavy chain × 2 T6 light chain × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 25 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.2 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.25 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 1–1190; UniProt 16–1208 Author chain B; PDBConstruct 1–1190; UniProt 16–1208 Author chain C; PDBConstruct 1–1190; UniProt 16–1208

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 7fjn

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id7fjn
Deposition date deposition_date2021-08-04
Structure title titleCryo-EM structure of South African (B.1.351) SARS-CoV-2 spike glycoprotein in complex with two T6 Fab
Keywords keywordsSARS-CoV-2, antibody, spike, VIRAL PROTEIN, VIRAL PROTEIN-IMMUNE SYSTEM complex; VIRAL PROTEIN/IMMUNE SYSTEM
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier59.18
Radius of gyration Rg (electron density) rg_electron59.44
Forward intensity I(0) i02010020000.00
Molecular weight molecular_weight380490.0 kDa
Excluded volume excluded_volume477840 ų
Envelope volume envelope_volume754060 ų
Hydration-shell volume shell_volume110570 ų
Envelope diameter envelope_diameter218.5
Shell Rg shell_rg58.14
Envelope Rg envelope_rg57.93
Shape Rg shape_rg59.47
Total Rg total_rg59.29
Total atoms total_atoms26824
Residues n_residues3418
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 dmax196.6
Rg (real space) rg_real59.51
Rg uncertainty (real space) rg_real_error1.77
I(0) (real space) i0_real2.0100e+09
I(0) uncertainty (real space) i0_real_error4.1330e+07
Rg (reciprocal space) rg_reciprocal58.88
I(0) (reciprocal space) i0_reciprocal2008000000.0000
Solution quality estimate total_estimate0.8329
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary65.5
Skewness Skewness skewness0.553
Kurtosis Kurtosis kurtosis0.010
Angular range angular_range— – 0.1350 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha161200000.0000
Real-space data points n_real_points28
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.850; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.279

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 7 domains

CATH v4.4 (7 domains)

Domain ID domain_id7fjnA01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily960 — Spike glycoprotein, N-terminal domain
Domain ID domain_id7fjnB01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily960 — Spike glycoprotein, N-terminal domain
Domain ID domain_id7fjnC01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily960 — Spike glycoprotein, N-terminal domain
Domain ID domain_id7fjnH01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7fjnI01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7fjnJ01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7fjnL01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)