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SARS-CoV-2 receptor binding domain bound to Fab WCSL 129

Analyse SARS-CoV-2 receptor binding domain bound to Fab WCSL 129 in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
7MZI
Type
protein
Length
628 residues
Chains
3
Method
x-ray diffraction
Collection
MolNFT v2 / PDB Bank
Contract
0xd58B01f6C18086e5202cdC5D7Ad3E41790360102
Owner
0xF4e1AA6f26B7DA48EeAD9B24a97927303eeA07b8
Resolution
1.85
Source
Homo sapiens; Severe acute respiratory syndrome coronavirus 2
Molecule
WCSL 129 light chain; WCSL 129 heavy chain; Spike protein S1
UniProt
P0DTC2
Ligands
NAG, BMA
Pockets
7 · best druggability 0.64

Structure

x-ray diffraction · resolution 1.85 · 3 distinct chains · 11% helix, 44% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
LWCSL 129 light chainprotein2128% helix, 47% strand—
HWCSL 129 heavy chainprotein2208% helix, 53% strand—
ASpike protein S1protein19618% helix, 30% strandP0DTC2

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 2 copies · chains A
  • BMA · beta-D-mannopyranose · sugar
  • GOL · Glycerol · additive · 14 copies · chains L, H, A
  • PG4 · Tetraethylene glycol · additive · chains A

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

Pockets

7 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
15490.640.7656GOL
23370.590.7749GOL
31070.450.7816empty
41070.410.7724GOL
5500.330.7818empty

Interfaces

3 interfaces between chains.

  • L–H · 1702 Ų buried · 17 hydrogen bonds · protein-protein
  • L–A · 749 Ų buried · 12 hydrogen bonds · protein-protein
  • H–A · 354 Ų buried · 2 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 8 disulfide, 1 glycan (disulfide, N-glycosylation).

Compared structures

  • 7MZI · SARS-cov-2 receptor binding domain bound to Fab wcsl 129 · the same entry in another collection · chain A against A, TM-score 1.00

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