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Structural basis for human coronavirus attachment to sialic acid receptors. apo-hcov-OC43 S

Analyse Structural basis for human coronavirus attachment to sialic acid receptors.… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
6OHW
Type
protein
Length
3,525 residues
Chains
3
Method
electron microscopy
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Spike surface glycoprotein
UniProt
Q696P8
Ligands
NAG, BMA, MAN
Pockets
20 · best druggability 0.86

Structure

electron microscopy · 1 distinct chain · 23% helix, 36% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, B, CSpike surface glycoproteinprotein117523% helix, 36% strandQ696P8

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 75 copies · chains A, B, C
  • BMA · beta-D-mannopyranose · sugar · 18 copies · chains B, C, A
  • MAN · alpha-D-mannopyranose · sugar · 3 copies

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
18880.860.88105empty
210850.840.85108empty
311200.840.85112empty
41700.830.9728empty
510900.830.84102empty

Interfaces

3 interfaces between chains.

  • B–C · 6060 Ų buried · 71 hydrogen bonds · protein-protein
  • A–C · 6060 Ų buried · 71 hydrogen bonds · protein-protein
  • A–B · 6048 Ų buried · 71 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 63 disulfide, 45 glycan (disulfide, N-glycosylation).

Compared structures

  • 6OHW · Structural basis for human coronavirus attachment to sialic acid receptors. Apo-HCoV-OC43… · the same entry in another collection · chain A against A, TM-score 1.00

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