SMTL ID : 7t94.1

Cryo-EM structure of S1 state ACh-bound M2R-Go signaling complex with a PAM

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

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

Ligands

1 x ACH: ACETYLCHOLINE(Non-covalent)

ACH.1: 9 residues within 4Å: Chain A: D.108, Y.109, S.112, N.113, A.199, W.278, Y.281, C.307, Y.308 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:A.199, A:W.278 Salt bridges: A:D.108 pi-Cation interactions: A:Y.281

1 x 2CU: 3-amino-5-chloro-N-cyclopropyl-4-methyl-6-[2-(4-methylpiperazin-1-yl)-2-oxoethoxy]thieno[2,3-b]pyridine-2-carboxamide(Non-covalent)

2CU.2: 11 residues within 4Å: Chain A: Y.85, Y.88, Y.182, I.183, F.186, N.288, N.297, T.298, W.300, T.301, Y.304 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:Y.182, A:Y.304 Hydrogen bonds: A:Y.85, A:N.288, A:N.297

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Xu, J. et al., Structural and dynamic insights into supra-physiological activation and allosteric modulation of a muscarinic acetylcholine receptor. Nat Commun (2023)

Release Date

2023-01-25

Peptides

Muscarinic acetylcholine receptor M2,muscarinic acetylcholine receptor M2 chimera: A
Guanine nucleotide-binding protein G(o) subunit alpha: B
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1: C
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2: D
Antibody fragment: E

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

Membrane

We predict this structure to be a membrane protein.
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Muscarinic acetylcholine receptor M2,muscarinic acetylcholine receptor M2 chimera

Guanine nucleotide-binding protein G(o) subunit alpha

Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

Antibody fragment

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