SMTL ID : 9ucp.1

cryo-EM structure of M1 muscarinic acetylcholine receptor-alpha5 helix of G11 protein complex bound to iperoxo and nanobody Nb1B4

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-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: 12 residues within 4Å: Chain A: Y.115, N.119, V.122, W.166, A.205, F.206, W.347, Y.350, N.351, Y.373, C.376, Y.377 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:Y.115, A:V.122, A:W.347 Hydrogen bonds: A:N.351 Salt bridges: A:D.114 pi-Cation interactions: A:Y.115, A:Y.350, A:Y.373

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zhang, X. et al., cryo-EM structure of M1 muscarinic acetylcholine receptor-alpha5 helix of G11 protein complex bound to iperoxo and nanobody Nb1B4. To Be Published

Release Date

2025-10-29

Peptides

M1 muscarinic acetylcholine receptor, de novo design protein: A
Guanine nucleotide-binding protein subunit alpha-11: B
Nanobody Nb1B4: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

Membrane

We predict this structure to be a membrane protein.
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M1 muscarinic acetylcholine receptor, de novo design protein

Guanine nucleotide-binding protein subunit alpha-11

Nanobody Nb1B4

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