› 5zk3

X-ray diffraction
2.6Å resolution

Crystal structure of rationally thermostabilized M2 muscarinic acetylcholine receptor bound with QNB

Released:
DOI: 10.2210/pdb5zk3/pdb
PDB entry 5zk3 coloured by chain, front view.
PDB entry 5zk3 coloured by chain, side view.
PDB entry 5zk3 coloured by chain, top view.
Source organisms:
Primary publication:
Structural insights into the subtype-selective antagonist binding to the M2 muscarinic receptor.
Suno R, Lee S, Maeda S, Yasuda S, Yamashita K, Hirata K, Horita S, Tawaramoto MS, Tsujimoto H, Murata T, Kinoshita M, Yamamoto M, Kobilka BK, Vaidehi N, Iwata S, Kobayashi T
Nat Chem Biol 14 1150-1158 (2018)
PMID: 30420692

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-139955 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Muscarinic acetylcholine receptor M2; Soluble cytochrome b562 Chain: A
Molecule details ›
Chain: A
Length: 421 amino acids
Theoretical weight: 47.29 KDa
Source organisms: Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P08172 (Residues: 10-217, 377-466; Coverage: 64%)
  • Canonical: P0ABE7 (Residues: 23-127; Coverage: 99%)
Gene names: CHRM2, cybC
Sequence domains:

Ligands and Environments

1 bound ligand:
Ligand QNB 1 x QNB
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL32XU
Spacegroup: P21
Unit cell:
a: 46.48Å b: 58.8Å c: 89.32Å
α: 90° β: 99° γ: 90°
R-values:
R R work R free
0.244 0.241 0.291
Expression system: Spodoptera frugiperda

Quick links

Citations

7 review citations

Harnessing Ion-Binding Sites for GPCR Pharmacology.
Zarzycka et al. (2019)
6 more

11 mentions without citation

G protein-coupled receptors: structure- and function-based drug discovery.
Yang et al. (2021)
10 more