7mlz

Cryo-EM structure of SARS-CoV-2 spike in complex with neutralizing antibody B1-182.1 that targets the receptor-binding domain

Method: ELECTRON MICROSCOPY Dmax: 117.9 Å Quality: GOOD

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

Spike protein S1

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 Other combination Heteromer Protein × 3 其他Polymer 1 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 331–527 Fragment:Receptor binding domain, UNP residues 331-527 B1-182.1 Fab heavy chain × 1 B1-182.1 Fab light chain × 1 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4;100 mM HEPES, 150 mM NaCl cryo-EM vitrification conditions:Cryogen ETHANE;Blot for 4 seconds before plugging. Resolution 3.71 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 1–197; UniProt 331–527

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 7mlz

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id7mlz
Deposition date deposition_date2021-04-29
Structure title titleCryo-EM structure of SARS-CoV-2 spike in complex with neutralizing antibody B1-182.1 that targets the receptor-binding domain
Keywords keywordsSARS-CoV-2, receptor-binding domain, antibody, IMMUNE SYSTEM-VIRAL PROTEIN complex; IMMUNE SYSTEM/VIRAL PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier34.69
Radius of gyration Rg (electron density) rg_electron35.17
Forward intensity I(0) i077131800.00
Molecular weight molecular_weight69057.0 kDa
Excluded volume excluded_volume86071 ų
Envelope volume envelope_volume119050 ų
Hydration-shell volume shell_volume31719 ų
Envelope diameter envelope_diameter131.3
Shell Rg shell_rg36.86
Envelope Rg envelope_rg35.27
Shape Rg shape_rg35.12
Total Rg total_rg35.48
Total atoms total_atoms4864
Residues n_residues613
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 dmax117.9
Rg (real space) rg_real35.13
Rg uncertainty (real space) rg_real_error1.21
I(0) (real space) i0_real7.7130e+07
I(0) uncertainty (real space) i0_real_error1.3000e+06
Rg (reciprocal space) rg_reciprocal34.86
I(0) (reciprocal space) i0_reciprocal77110000.0000
Solution quality estimate total_estimate0.7850
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary30.8
Skewness Skewness skewness0.634
Kurtosis Kurtosis kurtosis-0.194
Angular range angular_range— – 0.2300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha11760000.0000
Real-space data points n_real_points47
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.730; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.727; Smooth: 0.286

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id7mlzH01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7mlzH02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)