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SARS-cov-2 spike glycoprotein with two ACE2 bound

Analyse SARS-cov-2 spike glycoprotein with two ACE2 bound in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
7KJ3
Type
protein
Length
4,109 residues
Chains
5
Method
electron microscopy
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Spike glycoprotein; Angiotensin-converting enzyme 2
EC
3.4.17.23, 3.4.17.-
UniProt
P0DTC2, Q9BYF1
Ligands
NAG
Pockets
20 · best druggability 0.84

Structure

electron microscopy · 3 distinct chains · 32% helix, 26% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, BSpike glycoproteinprotein98124% helix, 31% strandP0DTC2
CSpike glycoproteinprotein96124% helix, 34% strandP0DTC2
D, EAngiotensin-converting enzyme 2 (EC 3.4.17.23, 3.4.17.-)protein59360% helix, 4% strandQ9BYF1

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 80 copies · chains A, B, C, 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
14320.840.9269empty
25790.830.8874empty
36510.810.8686empty
43840.800.8947empty
55780.760.8349empty

Interfaces

5 interfaces between chains.

  • A–C · 4945 Ų buried · 50 hydrogen bonds · protein-protein
  • B–C · 4520 Ų buried · 39 hydrogen bonds · protein-protein
  • A–B · 4513 Ų buried · 39 hydrogen bonds · protein-protein
  • A–E · 1079 Ų buried · 12 hydrogen bonds · protein-protein
  • B–D · 997 Ų buried · 20 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 58 glycan, 38 disulfide (N-glycosylation, disulfide).

Compared structures

  • 7KJ3 · SARS-CoV-2 Spike Glycoprotein with two ACE2 Bound · the same entry in another collection · chain A against A, TM-score 1.00
  • 3SCJ · Crystal structure of spike protein receptor-binding domain from a predicted SARS… · a predicted model of the same protein · chain D against A, TM-score 0.99
  • 3SCJ · Crystal structure of spike protein receptor-binding domain from a predicted SARS… · a predicted model of the same protein · chain D against A, TM-score 0.99
  • 3SCI · Crystal structure of spike protein receptor-binding domain from a predicted SARS… · a predicted model of the same protein · chain D against A, TM-score 0.99
  • 3SCI · Crystal structure of spike protein receptor-binding domain from a predicted SARS… · a predicted model of the same protein · chain D against A, TM-score 0.99
  • 3SCK · Crystal structure of spike protein receptor-binding domain from a predicted SARS… · a predicted model of the same protein · chain D against A, TM-score 0.99

Analyse

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