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SARS-cov-2 S B.1.617.1 kappa variant + S309 + S2L20 global refinement

Analyse SARS-cov-2 S B.1.617.1 kappa variant + S309 + S2L20 global refinement in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
7SOB
Type
protein
Length
4,443 residues
Chains
15
Method
electron microscopy
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Spike glycoprotein; S2L20 Fab light chain; S2L20 Fab heavy chain; S309 Fab heavy chain…
UniProt
P0DTC2
Ligands
NAG
Pockets
20 · best druggability 0.88

Structure

electron microscopy · 5 distinct chains · 16% helix, 40% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, D, KSpike glycoproteinprotein102522% helix, 36% strandP0DTC2
B, E, LS2L20 Fab light chainprotein1073% helix, 50% strand—
C, F, MS2L20 Fab heavy chainprotein1215% helix, 47% strand—
G, H, NS309 Fab heavy chainprotein1285% helix, 49% strand—
I, J, OS309 Fab light chainprotein1006% helix, 44% strand—

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 51 copies · chains A, C, B, D, F, E, K, M, L

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
110190.880.89120empty
29990.870.88119empty
39110.810.8382empty
49730.800.82135empty
58700.790.8277empty

Interfaces

24 interfaces between chains.

  • A–K · 3884 Ų buried · 35 hydrogen bonds · protein-protein
  • D–K · 3882 Ų buried · 35 hydrogen bonds · protein-protein
  • A–D · 3869 Ų buried · 35 hydrogen bonds · protein-protein
  • D–F · 816 Ų buried · 3 hydrogen bonds · protein-protein
  • A–C · 815 Ų buried · 3 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 57 disulfide, 51 glycan (disulfide, N-glycosylation).

Compared structures

  • 7SOB · SARS-CoV-2 S B.1.617.1 kappa variant + S309 + S2L20 Global Refinement · the same entry in another collection · chain A against A, TM-score 1.00

Analyse

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