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MolNFT v1 · #185339 · protein

Crystal structure of the receptor binding domain of SARS-cov-2 spike glycoprotein in complex with fi-3A Fab

7PQY · Spike protein S1: “Crystal structure of the receptor binding domain of SARS-cov-2 spike glycoprotein in complex with fi-3A Fab”. X-ray diffraction, 2 ligands (NAG, FUC), 12 pockets (best druggability 0.66). MolNFT v1 #185339 on…

PDB
7PQY
Type
protein
Length
1,232 residues
Chains
6
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Spike protein S1; Fi-3A Fab heavy chain; Fi-3A Fab light chain
UniProt
P0DTC2
Ligands
NAG, FUC
Pockets
12 · best druggability 0.66

Structure

x-ray diffraction · 4 distinct chains · 10% helix, 41% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ESpike protein S1protein18916% helix, 30% strandP0DTC2
ASpike protein S1protein18316% helix, 28% strandP0DTC2
H, BFi-3A Fab heavy chainprotein2176% helix, 50% strand—
L, CFi-3A Fab light chainprotein2135% helix, 51% strand—

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 2 copies · chains E
  • FUC · alpha-L-fucopyranose · sugar

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

Pockets

12 pockets found on a 1 Å grid, 5 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
12290.660.8436empty
22370.650.8336empty
36730.640.7470empty
45470.610.7449empty
51110.520.8216empty

Interfaces

7 interfaces between chains.

  • B–C · 1804 Ų buried · 13 hydrogen bonds · protein-protein
  • H–L · 1796 Ų buried · 12 hydrogen bonds · protein-protein
  • A–B · 761 Ų buried · 19 hydrogen bonds · protein-protein
  • E–H · 758 Ų buried · 19 hydrogen bonds · protein-protein
  • A–C · 306 Ų buried · 6 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 15 disulfide, 1 glycan (disulfide, N-glycosylation).

Compared structures

  • 7PQY · 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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