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Crystal structure of SARS-cov-2 receptor binding domain in complex with the monoclonal antibody M31A7

Analyse Crystal structure of SARS-cov-2 receptor binding domain in complex with the… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
7WUE
Type
protein
Length
1,264 residues
Chains
6
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Spike protein S1; M31A7 Fab heavy chain; M31A7 Fab light chain
UniProt
P0DTC2
Ligands
NAG, FUC, BMA
Pockets
18 · best druggability 0.70

Structure

x-ray diffraction · 3 distinct chains · 7% helix, 43% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, BSpike protein S1protein19513% helix, 30% strandP0DTC2
C, EM31A7 Fab heavy chainprotein2184% helix, 45% strand—
D, FM31A7 Fab light chainprotein2194% helix, 53% strand—

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 8 copies · chains A, C, D, B, E, F
  • FUC · alpha-L-fucopyranose · sugar · 4 copies · chains A, D, B, E, F
  • BMA · beta-D-mannopyranose · sugar · 2 copies

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

Pockets

18 pockets found on a 1 Å grid, 6 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
15100.700.8054empty
26940.650.7558empty
34530.590.7457empty
4810.570.8722empty
53980.550.7352empty

Interfaces

9 interfaces between chains.

  • C–D · 1929 Ų buried · 14 hydrogen bonds · protein-protein
  • E–F · 1924 Ų buried · 13 hydrogen bonds · protein-protein
  • A–B · 619 Ų buried · 15 hydrogen bonds · protein-protein
  • B–E · 446 Ų buried · 9 hydrogen bonds · protein-protein
  • A–C · 439 Ų buried · 13 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 16 disulfide, 4 glycan (disulfide, N-glycosylation).

Compared structures

  • 7WUE · Crystal structure of SARS-CoV-2 Receptor Binding Domain in complex with the monoclonal… · the same entry in another collection · chain A against A, TM-score 1.00

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