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EM structure of SARS-cov-2 spike glycoprotein in complex with covox- 253H165L Fab

Analyse EM structure of SARS-cov-2 spike glycoprotein in complex with covox- 253H165L… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
7NDB
Type
protein
Length
3,460 residues
Chains
5
Method
electron microscopy
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Spike glycoprotein; Covox-253H165L Fab heavy chain; Covox-253H165L Fab light chain
UniProt
P0DTC2
Ligands
NAG, FUC
Pockets
20 · best druggability 0.85

Structure

electron microscopy · 5 distinct chains · 22% helix, 33% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ASpike glycoproteinprotein99324% helix, 31% strandP0DTC2
BSpike glycoproteinprotein103123% helix, 30% strandP0DTC2
CSpike glycoproteinprotein100325% helix, 31% strandP0DTC2
HCovox-253H165L Fab heavy chainprotein2199% helix, 50% strand—
LCovox-253H165L Fab light chainprotein2147% helix, 53% strand—

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 49 copies · chains A, C, B, H
  • FUC · alpha-L-fucopyranose · sugar · chains H

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

20 pockets found on a 1 Å grid, 20 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
15570.850.9179empty
211860.850.86149empty
37330.840.8784empty
47560.820.8582empty
53500.790.8941empty

Interfaces

6 interfaces between chains.

  • A–C · 5759 Ų buried · 48 hydrogen bonds · protein-protein
  • A–B · 5551 Ų buried · 45 hydrogen bonds · protein-protein
  • B–C · 4674 Ų buried · 35 hydrogen bonds · protein-protein
  • H–L · 1786 Ų buried · 12 hydrogen bonds · protein-protein
  • B–H · 457 Ų buried · 3 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 42 disulfide, 38 glycan (disulfide, N-glycosylation).

Compared structures

  • 7NDB · EM structure of SARS-CoV-2 Spike glycoprotein in complex with COVOX-253H165L Fab · the same entry in another collection · chain A against A, TM-score 1.00

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