SMTL ID : 8st1.1

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

Coordinates

PDB Format

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: H.50, N.52, N.54, Y.56 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: 15 residues within 4Å: Chain E: Q.141, N.143, T.145, R.186, N.188, T.200, D.202, I.204 Chain H: H.50, 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

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

NAG.3: 2 residues within 4Å: Chain A: N.31, S.33 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.33, A:S.33 NAG.4: 4 residues within 4Å: Chain A: N.148, T.150, A.210, V.212 No protein-ligand interaction detected (PLIP) NAG.8: 2 residues within 4Å: Chain B: N.31, S.33 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:N.31, B:S.33 NAG.9: 5 residues within 4Å: Chain B: Q.146, N.148, T.150, A.210, V.212 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:N.148 NAG.13: 2 residues within 4Å: Chain D: N.31, S.33 1 PLIP interactions: 1 interactions with chain D Hydrogen bonds: D:S.33 NAG.14: 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.5: 10 residues within 4Å: Chain A: Y.100, W.156, T.157, Y.197, C.199, C.200, Y.204 Chain B: W.62, H.116, T.126 6 PLIP interactions: 1 interactions with chain B, 5 interactions with chain A pi-Cation interactions: B:W.62, A:W.156, A:W.156, A:Y.197, A:Y.204 Hydrogen bonds: A:W.156 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 5 PLIP interactions: 4 interactions with chain B, 1 interactions with chain C pi-Cation interactions: B:W.156, B:W.156, B:Y.197, B:Y.204 Hydrophobic interactions: C:F.119 ACH.15: 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: 3 interactions with chain D, 2 interactions with chain E pi-Cation interactions: D:W.156, D:Y.197, D:Y.204 Hydrophobic interactions: E:V.111, E:F.119

4 x CA: CALCIUM ION(Non-covalent)(Non-functional Binders)

CA.6: 4 residues within 4Å: Chain A: D.49, V.50, D.51, E.52 No protein-ligand interaction detected (PLIP) CA.7: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) CA.11: 2 residues within 4Å: Chain B: V.50, E.52 No protein-ligand interaction detected (PLIP) CA.16: 4 residues within 4Å: Chain D: D.49, V.50, D.51, E.52 1 PLIP interactions: 1 interactions with chain D Metal complexes: D:V.50

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

NA.12: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kang, G. et al., Structure of the 3alpha2beta stoichiometry of the human alpha4beta2 nicotinic acetylcholine receptor in complex with acetylcholine and calcium. To Be Published

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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