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Cryo-EM structure of SARS-cov-2 epsilon (B.1.429) spike protein in complex with Fab S2M11

Analyse Cryo-EM structure of SARS-cov-2 epsilon (B.1.429) spike protein in complex with… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
8DLW
Type
protein
Length
3,768 residues
Chains
9
Method
electron microscopy
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Spike glycoprotein; Fab S2M11 heavy chain; Fab S2M11 light chain
UniProt
P0DTC2
Ligands
NAG, BMA, FUC
Pockets
20 · best druggability 0.85

Structure

electron microscopy · 3 distinct chains · 20% helix, 37% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, B, ESpike glycoproteinprotein102922% helix, 34% strandP0DTC2
C, F, HFab S2M11 heavy chainprotein12210% helix, 48% strand—
D, G, LFab S2M11 light chainprotein1056% helix, 50% strand—

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 72 copies · chains A, G, B, L, E, D
  • BMA · beta-D-mannopyranose · sugar · 3 copies
  • FUC · alpha-L-fucopyranose · sugar · 3 copies · chains A, F, B, H, C, 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
15870.850.9196empty
211450.840.85147empty
36890.840.8865empty
47820.840.8767empty
56520.830.8858empty

Interfaces

18 interfaces between chains.

  • A–B · 5487 Ų buried · 52 hydrogen bonds · protein-protein
  • A–E · 5474 Ų buried · 51 hydrogen bonds · protein-protein
  • B–E · 5465 Ų buried · 51 hydrogen bonds · protein-protein
  • F–G · 856 Ų buried · 14 hydrogen bonds · protein-protein
  • C–D · 848 Ų buried · 14 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 51 glycan, 48 disulfide (N-glycosylation, disulfide).

Compared structures

  • 8DLW · Cryo-EM structure of SARS-CoV-2 Epsilon (B.1.429) spike protein in complex with Fab S2M11 · the same entry in another collection · chain A against A, TM-score 1.00

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