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SARS-cov-2 spike in complex with neutralizing nanobody MNB6

Analyse SARS-cov-2 spike in complex with neutralizing nanobody MNB6 in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
7KKL
Type
protein
Length
3,360 residues
Chains
6
Method
electron microscopy
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Spike glycoprotein; Synthetic nanobody MNB6
UniProt
P0DTC2
Ligands
NAG
Pockets
20 · best druggability 0.87

Structure

electron microscopy · 2 distinct chains · 22% helix, 37% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, C, DSpike glycoproteinprotein100222% helix, 35% strandP0DTC2
B, E, FSynthetic nanobody MNB6protein11814% helix, 53% strand—

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 63 copies · chains A, C, B, D, E

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
18610.870.90110empty
29690.840.85107empty
310460.810.8280empty
48880.810.8372empty
510490.800.8281empty

Interfaces

9 interfaces between chains.

  • A–D · 4305 Ų buried · 42 hydrogen bonds · protein-protein
  • A–C · 4295 Ų buried · 44 hydrogen bonds · protein-protein
  • C–D · 4290 Ų buried · 43 hydrogen bonds · protein-protein
  • C–E · 983 Ų buried · 11 hydrogen bonds · protein-protein
  • A–B · 980 Ų buried · 11 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 45 glycan, 42 disulfide (N-glycosylation, disulfide).

Compared structures

  • 7KKL · SARS-CoV-2 Spike in complex with neutralizing nanobody mNb6 · the same entry in another collection · chain A against A, TM-score 1.00

Analyse

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