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MolNFT v1 · #183042 · protein

EM structure of SARS-cov-2 spike glycoprotein in complex with covox-40 Fab

7ND3: “EM structure of SARS-cov-2 spike glycoprotein in complex with covox-40 Fab”. Electron microscopy, 1 ligand (NAG), 20 pockets (best druggability 0.87). MolNFT v1 #183042 on GenesisL1: 3D structure, binding sites and pockets in GL1X.

PDB
7ND3
Type
protein
Length
3,194 residues
Chains
5
Method
electron microscopy
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Spike glycoprotein; Covox-40 heavy chain; Covox-40 light chain
UniProt
P0DTC2
Ligands
NAG
Pockets
20 · best druggability 0.87

Structure

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

ChainMoleculeTypeResiduesSecondary structureUniProt
ASpike glycoproteinprotein99524% helix, 31% strandP0DTC2
BSpike glycoproteinprotein98924% helix, 30% strandP0DTC2
CSpike glycoproteinprotein99124% helix, 32% strandP0DTC2
HCovox-40 heavy chainprotein1135% helix, 54% strand—
LCovox-40 light chainprotein1063% helix, 49% strand—

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 49 copies · chains A, C, B

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
110560.870.89129empty
29040.820.8493empty
34260.790.8846empty
43600.770.8742empty
52690.750.8836empty

Interfaces

6 interfaces between chains.

  • A–C · 5293 Ų buried · 43 hydrogen bonds · protein-protein
  • A–B · 4787 Ų buried · 37 hydrogen bonds · protein-protein
  • B–C · 4409 Ų buried · 33 hydrogen bonds · protein-protein
  • B–H · 641 Ų buried · 16 hydrogen bonds · protein-protein
  • H–L · 567 Ų buried · 8 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 41 disulfide, 38 glycan (disulfide, N-glycosylation).

Compared structures

  • 7ND3 · EM structure of SARS-CoV-2 Spike glycoprotein in complex with COVOX-40 Fab · the same entry in another collection · chain A against A, TM-score 1.00

Analyse

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