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Structural impact on SARS-cov-2 spike protein by D614G substitution

Analyse Structural impact on SARS-cov-2 spike protein by D614G substitution in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
7KRR
Type
protein
Length
3,310 residues
Chains
3
Method
electron microscopy
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Spike glycoprotein
UniProt
P0DTC2
Ligands
NAG, MAN, FUC
Pockets
20 · best druggability 0.85

Structure

electron microscopy · 3 distinct chains · 23% helix, 34% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
BSpike glycoproteinprotein109123% helix, 35% strandP0DTC2
CSpike glycoproteinprotein111023% helix, 33% strandP0DTC2
ASpike glycoproteinprotein110923% helix, 33% strandP0DTC2

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 86 copies · chains B, C, A
  • MAN · alpha-D-mannopyranose · sugar · 6 copies
  • FUC · alpha-L-fucopyranose · 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
15120.850.9162empty
25810.840.8985empty
35760.810.8789empty
42410.800.9333empty
51670.790.9532empty

Interfaces

3 interfaces between chains.

  • B–C · 6378 Ų buried · 49 hydrogen bonds · protein-protein
  • C–A · 6182 Ų buried · 47 hydrogen bonds · protein-protein
  • B–A · 5030 Ų buried · 37 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 54 glycan, 39 disulfide (N-glycosylation, disulfide).

Compared structures

  • 7KRR · Structural impact on SARS-CoV-2 spike protein by D614G substitution · the same entry in another collection · chain B against B, TM-score 1.00

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