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Crystal structure of SARS-cov-2 receptor binding domain in complex with neutralizing human antibody wrair-2057.

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

PDB
7N4I
Type
protein
Length
632 residues
Chains
3
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Wrair-2057 antibody Fab heavy chain; Wrair-2057 antibody Fab light chain; Spike protein S1
UniProt
P0DTC2
Ligands
NAG, BMA
Pockets
6 · best druggability 0.58

Structure

x-ray diffraction · 3 distinct chains · 10% helix, 44% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
HWrair-2057 antibody Fab heavy chainprotein2217% helix, 50% strand—
LWrair-2057 antibody Fab light chainprotein2127% helix, 51% strand—
CSpike protein S1protein19918% helix, 29% strandP0DTC2

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 2 copies · chains C
  • BMA · beta-D-mannopyranose · sugar
  • GOL · Glycerol · additive · 2 copies · chains H, L

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

Pockets

6 pockets found on a 1 Å grid, 3 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
13040.580.7732empty
24560.570.7454empty
31770.560.8134GOL
4710.460.8324GOL
5600.320.7615empty

Interfaces

3 interfaces between chains.

  • H–L · 1707 Ų buried · 13 hydrogen bonds · protein-protein
  • H–C · 681 Ų buried · 14 hydrogen bonds · protein-protein
  • L–C · 292 Ų buried · 1 hydrogen bond · protein-protein

Modifications

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

Compared structures

  • 7N4I · Crystal structure of SARS-CoV-2 receptor binding domain in complex with neutralizing… · the same entry in another collection · chain H against H, TM-score 1.00

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