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Crystal structure of the receptor binding domain of SARS-cov-2 spike glycoprotein in complex with fd-5D Fab

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

PDB
7PR0
Type
protein
Length
1,892 residues
Chains
9
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Spike protein S1; Fd-5D Fab light chain; Fd-5D Fab heavy chain
UniProt
P0DTC2
Ligands
NAG, SO4, NO3, CL
Pockets
20 · best druggability 0.73

Structure

x-ray diffraction · 8 distinct chains · 9% helix, 44% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
E, DSpike protein S1protein19717% helix, 29% strandP0DTC2
LFd-5D Fab light chainprotein2215% helix, 50% strand—
HFd-5D Fab heavy chainprotein2287% helix, 49% strand—
ASpike protein S1protein19916% helix, 29% strandP0DTC2
BFd-5D Fab light chainprotein2195% helix, 50% strand—
CFd-5D Fab heavy chainprotein2238% helix, 49% strand—
FFd-5D Fab light chainprotein2176% helix, 49% strand—
GFd-5D Fab heavy chainprotein1916% helix, 46% strand—

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 3 copies · chains E, A, D
  • SO4 · Sulfate ion · ion · 3 copies · chains E, L, H
  • NO3 · Nitrate ion · ion · 3 copies · chains L, H, C
  • CL · Chloride ion · ion · 3 copies · chains L, E, H, D, F, G
  • GOL · Glycerol · additive · 2 copies · chains B, F

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

Pockets

20 pockets found on a 1 Å grid, 10 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
19900.730.76106empty
25410.660.7765SO4
31500.580.8222empty
4840.570.8723empty
52310.540.7723empty

Interfaces

15 interfaces between chains.

  • L–H · 1955 Ų buried · 14 hydrogen bonds · protein-protein
  • B–C · 1723 Ų buried · 11 hydrogen bonds · protein-protein
  • F–G · 1603 Ų buried · 14 hydrogen bonds · protein-protein
  • D–G · 830 Ų buried · 14 hydrogen bonds · protein-protein
  • E–A · 710 Ų buried · 9 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 24 disulfide, 3 glycan (disulfide, N-glycosylation).

Compared structures

  • 7PR0 · Crystal structure of the receptor binding domain of SARS-CoV-2 Spike glycoprotein in… · the same entry in another collection · chain E against E, TM-score 1.00

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