SMTL ID : 7trq.1

Human M4 muscarinic acetylcholine receptor complex with Gi1 and the agonist iperoxo and positive allosteric modulator VU0467154

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

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

Ligands

1 x IXO: 4-(4,5-dihydro-1,2-oxazol-3-yloxy)-N,N,N-trimethylbut-2-yn-1-aminium(Non-covalent)

IXO.1: 13 residues within 4Å: Chain A: D.120, Y.121, S.124, N.125, V.128, A.211, F.212, W.275, Y.278, N.279, Y.301, C.304, Y.305 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:Y.121, A:V.128, A:A.211, A:W.275 Hydrogen bonds: A:N.279 Salt bridges: A:D.120 pi-Cation interactions: A:Y.121, A:Y.278, A:Y.301

1 x IUI: 5-amino-3,4-dimethyl-N-{[4-(trifluoromethanesulfonyl)phenyl]methyl}thieno[2,3-c]pyridazine-6-carboxamide(Non-covalent)

IUI.2: 13 residues within 4Å: Chain A: Y.97, Y.100, I.101, G.104, Q.192, F.194, L.198, N.285, D.294, T.295, W.297, S.298, Y.301 13 PLIP interactions: 13 interactions with chain A Hydrophobic interactions: A:I.101, A:F.194, A:F.194, A:D.294, A:W.297, A:W.297 Hydrogen bonds: A:Y.97, A:Y.97, A:Q.192 pi-Stacking: A:F.194, A:W.297, A:W.297 Halogen bonds: A:I.101

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Thal, D.M., Structural and dynamic mechanisms of allostery at the M4 muscarinic acetylcholine receptor. Elife (2023)

Release Date

2023-05-17

Peptides

Muscarinic acetylcholine receptor M4: A
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1: B
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2: C
Antibody fragment scFv16: D
Guanine nucleotide-binding protein G(i) subunit alpha-1: E

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
R

B
B

C
G

D
H

E
A

Membrane

We predict this structure to be a membrane protein.
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Muscarinic acetylcholine receptor M4

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 scFv16

Guanine nucleotide-binding protein G(i) subunit alpha-1

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