SMTL ID : 9gu2.1

Human adult muscle nAChR in desensitised state in nanodisc with 100 uM acetylcholine

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-2-1-1-1-2-2-mer

Ligands

2 x NAG- NAG- BMA- MAN- MAN- MAN- MAN: alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA-MAN-MAN-MAN-MAN.1: 10 residues within 4Å: Chain A: N.141, S.143, E.180, W.184, K.185, H.186, S.187, T.202, H.204, V.206 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:H.186 NAG-NAG-BMA-MAN-MAN-MAN-MAN.6: 9 residues within 4Å: Chain E: N.141, S.143, W.184, K.185, H.186, S.187, T.202, H.204, V.206 1 PLIP interactions: 1 interactions with chain E Hydrogen bonds: E:H.186

2 x NAG- NAG- BMA- MAN: alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA-MAN.2: 8 residues within 4Å: Chain B: W.139, N.141, Y.215, I.217, P.473, P.476, F.477, P.478 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:Y.215, B:F.477 NAG-NAG-BMA-MAN.5: 6 residues within 4Å: Chain D: W.139, N.141, R.195, I.211, I.215, L.713 1 PLIP interactions: 1 interactions with chain D Hydrophobic interactions: D:I.211

1 x NAG- NAG- BMA- MAN- NAG- MAN- MAN: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA-MAN-NAG-MAN-MAN.3: 11 residues within 4Å: Chain C: W.141, N.143, R.198, N.200, R.204, Y.218, I.220, P.477, P.480, F.481, P.482 No protein-ligand interaction detected (PLIP)

1 x NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NAG.4: 3 residues within 4Å: Chain D: N.66, S.68, G.113 No protein-ligand interaction detected (PLIP)

2 x ACH: ACETYLCHOLINE(Non-covalent)

ACH.7: 9 residues within 4Å: Chain A: Y.93, W.149, T.150, Y.190, C.192, Y.198 Chain D: W.55, L.109, L.119 5 PLIP interactions: 2 interactions with chain A, 3 interactions with chain D pi-Cation interactions: A:W.149, A:Y.198, D:W.55 Hydrophobic interactions: D:L.109 Water bridges: D:L.119 ACH.9: 10 residues within 4Å: Chain C: W.57, L.111, Y.119, L.121 Chain E: Y.93, W.149, T.150, Y.190, C.192, Y.198 6 PLIP interactions: 4 interactions with chain C, 2 interactions with chain E Hydrophobic interactions: C:L.111, C:Y.119 Water bridges: C:L.121 pi-Cation interactions: C:W.57, E:W.149, E:Y.198

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

NAG.8: 2 residues within 4Å: Chain C: G.75, N.76 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:N.76

1 x CU: COPPER (II) ION(Non-covalent)

CU.10: 4 residues within 4Å: Chain E: S.1, E.2, H.3, E.4 1 PLIP interactions: 1 interactions with chain E Metal complexes: E:H.3

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, A. et al., Structures of the human adult muscle-type nicotinic receptor in resting and desensitized states. Cell Rep (2025)

Release Date

2025-05-14

Peptides

Acetylcholine receptor subunit alpha: AE
Acetylcholine receptor subunit beta: B
Acetylcholine receptor subunit delta: C
Acetylcholine receptor subunit epsilon,Green fluorescent protein: D
Fab35 light chain: FH
Fab35 heavy chain: GI

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

E
L

B
B

C
D

D
E

F
C

H
G

G
F

I
H

Membrane

We predict this structure to be a membrane protein.
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Acetylcholine receptor subunit alpha

Acetylcholine receptor subunit beta

Acetylcholine receptor subunit delta

Acetylcholine receptor subunit epsilon,Green fluorescent protein

Fab35 light chain

Fab35 heavy chain

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