SMTL ID : 8st2.1

The 3alpha2beta stoichiometry of human alpha4beta2 nicotinic acetylcholine receptor in complex with acetylcholine

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-3-2-2-2-mer

Ligands

2 x NAG- NAG- BMA: beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA.1: 14 residues within 4Å: Chain C: Q.141, N.143, T.145, R.186, N.188, T.200, D.202, I.204 Chain F: N.52, N.54, Y.56, K.74 Chain G: Y.121, Y.122 3 PLIP interactions: 2 interactions with chain C, 1 interactions with chain F Hydrogen bonds: C:R.186, F:N.54, C:R.186, C:R.186 NAG-NAG-BMA.2: 13 residues within 4Å: Chain E: Q.141, N.143, T.145, R.186, N.188, D.202, I.204 Chain H: N.52, N.54, Y.56, K.74 Chain I: Y.121, Y.122 3 PLIP interactions: 2 interactions with chain E, 1 interactions with chain H Hydrogen bonds: E:R.186, E:R.186, H:N.54

9 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.3: 5 residues within 4Å: Chain A: N.31, I.32, S.33 Chain B: E.5, T.6 3 PLIP interactions: 1 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:S.33 Hydrophobic interactions: B:E.5, B:T.6 NAG.4: 2 residues within 4Å: Chain A: N.81, T.83 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:T.83 NAG.5: 5 residues within 4Å: Chain A: Q.146, N.148, T.150, A.210, V.212 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:V.212 Hydrogen bonds: A:N.148 NAG.7: 2 residues within 4Å: Chain B: N.31, S.33 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:N.31 NAG.8: 2 residues within 4Å: Chain B: N.81, T.83 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:T.83 NAG.9: 5 residues within 4Å: Chain B: Q.146, N.148, T.150, A.210, V.212 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:V.212 Hydrogen bonds: B:N.148 NAG.11: 2 residues within 4Å: Chain D: N.31, S.33 2 PLIP interactions: 2 interactions with chain D Hydrogen bonds: D:N.31, D:S.33 NAG.12: 2 residues within 4Å: Chain D: N.81, T.83 1 PLIP interactions: 1 interactions with chain D Hydrogen bonds: D:N.81 NAG.13: 5 residues within 4Å: Chain D: Q.146, N.148, T.150, A.210, V.212 1 PLIP interactions: 1 interactions with chain D Hydrogen bonds: D:N.148

3 x ACH: ACETYLCHOLINE(Non-covalent)

ACH.6: 12 residues within 4Å: Chain A: Y.100, S.155, W.156, T.157, Y.197, C.199, C.200, Y.204 Chain B: W.62, R.86, H.116, T.126 6 PLIP interactions: 4 interactions with chain A, 2 interactions with chain B pi-Cation interactions: A:W.156, A:W.156, A:Y.197, A:Y.204, B:W.62 Water bridges: B:T.126 ACH.10: 13 residues within 4Å: Chain B: Y.100, S.155, W.156, T.157, Y.197, C.199, C.200, Y.204 Chain C: W.57, R.81, V.111, F.119, L.121 3 PLIP interactions: 3 interactions with chain B pi-Cation interactions: B:W.156, B:Y.197, B:Y.204 ACH.14: 13 residues within 4Å: Chain D: Y.100, S.155, W.156, T.157, Y.197, C.199, C.200, Y.204 Chain E: W.57, R.81, V.111, F.119, L.121 5 PLIP interactions: 2 interactions with chain E, 3 interactions with chain D Hydrophobic interactions: E:F.119 Water bridges: E:L.121 pi-Cation interactions: D:W.156, D:Y.197, D:Y.204

1 x NA: SODIUM ION(Non-functional Binders)

NA.15: 1 residues within 4Å: Chain E: L.249 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Mazzaferro, S. et al., Structural bases for stoichiometry-selective calcium potentiation of a neuronal nicotinic receptor. Br.J.Pharmacol. (2024)

Release Date

2024-02-07

Peptides

Neuronal acetylcholine receptor subunit alpha-4: ABD
Neuronal acetylcholine receptor subunit beta-2: CE
IgG1 Kappa Light Chain: FH
IgG1 Heavy Chain: GI

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

D
D

C
C

E
E

F
F

H
J

G
G

I
K

Membrane

We predict this structure to be a membrane protein.
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Neuronal acetylcholine receptor subunit alpha-4

Neuronal acetylcholine receptor subunit beta-2

IgG1 Kappa Light Chain

IgG1 Heavy Chain

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