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MolNFT v1 · #183049 · protein

EM structure of SARS-cov-2 spike glycoprotein (all rbd down) in complex with covox-253H55L Fab

7NDA: “EM structure of SARS-cov-2 spike glycoprotein (all rbd down) in complex with covox-253H55L Fab”. Electron microscopy, 2 ligands (NAG, FUC), 20 pockets (best druggability 0.82). MolNFT v1 #183049 on GenesisL1: 3D structure, binding…

PDB
7NDA
Type
protein
Length
3,452 residues
Chains
5
Method
electron microscopy
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Spike glycoprotein; Covox-253H55L Fab heavy chain; Covox-253H55L Fab light chain
UniProt
P0DTC2
Ligands
NAG, FUC
Pockets
20 · best druggability 0.82

Structure

electron microscopy · 5 distinct chains · 20% helix, 35% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ASpike glycoproteinprotein100521% helix, 33% strandP0DTC2
BSpike glycoproteinprotein100322% helix, 32% strandP0DTC2
CSpike glycoproteinprotein101222% helix, 32% strandP0DTC2
HCovox-253H55L Fab heavy chainprotein2189% helix, 50% strand—
LCovox-253H55L Fab light chainprotein2147% helix, 53% strand—

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 62 copies · chains A, C, B, H
  • FUC · alpha-L-fucopyranose · sugar · chains H

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
16130.820.8778empty
25240.810.8748empty
32940.800.9234empty
48930.790.82100empty
52410.780.9132empty

Interfaces

7 interfaces between chains.

  • A–B · 5721 Ų buried · 42 hydrogen bonds · protein-protein
  • A–C · 5561 Ų buried · 41 hydrogen bonds · protein-protein
  • B–C · 5515 Ų buried · 44 hydrogen bonds · protein-protein
  • H–L · 1790 Ų buried · 13 hydrogen bonds · protein-protein
  • C–H · 622 Ų buried · 7 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 47 glycan, 44 disulfide (N-glycosylation, disulfide).

Compared structures

  • 7NDA · EM structure of SARS-CoV-2 Spike glycoprotein (all RBD down) in complex with… · the same entry in another collection · chain A against A, TM-score 1.00

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