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Human alpha 7 nicotinic acetylcholine receptor bound to evp-6124 and pnu-120596

Analyse Human alpha 7 nicotinic acetylcholine receptor bound to evp-6124 and pnu-120596 in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
7EKT
Type
protein
Length
1,980 residues
Chains
5
Method
electron microscopy
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Neuronal acetylcholine receptor subunit alpha-7
UniProt
P36544
Ligands
CLR, I33, I34, NAG
Pockets
20 · best druggability 0.82

Structure

electron microscopy · 1 distinct chain · 40% helix, 22% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, B, C, D, ENeuronal acetylcholine receptor subunit alpha-7protein39640% helix, 22% strandP36544

Ligands and binding sites

  • CLR · Cholesterol · ligand · 5 copies · chains A, B, C, D, E
  • I33 · 7-chloro-N-(quinuclidin-3-yl)benzo[b]thiophene-2-carboxamide · ligand · 5 copies · chains A, E, B, C, D
  • I34 · N-(5-Chloro-2,4-dimethoxyphenyl)-N'-(5-methyl-3-isoxazolyl)-urea · ligand · 5 copies · chains A, E, B, C, D
  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 15 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
19870.820.83107I33, I34
211050.810.82104I33, I34
32970.800.9035empty
46600.790.8458empty
55800.790.8567I34

Interfaces

5 interfaces between chains.

  • D–E · 2923 Ų buried · 30 hydrogen bonds · protein-protein
  • A–B · 2905 Ų buried · 29 hydrogen bonds · protein-protein
  • C–D · 2898 Ų buried · 30 hydrogen bonds · protein-protein
  • A–E · 2896 Ų buried · 28 hydrogen bonds · protein-protein
  • B–C · 2893 Ų buried · 28 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 10 disulfide, 10 glycan (disulfide, N-glycosylation).

Compared structures

  • 7EKT · human alpha 7 nicotinic acetylcholine receptor bound to EVP-6124 and PNU-120596 · the same entry in another collection · chain E against E, TM-score 1.00
  • P36544 · AlphaFold monomer V2.0 prediction for neuronal acetylcholine receptor subunit alpha-7… · a predicted model of the same protein · chain C against A, TM-score 0.95

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