4MQS

Structure of active human M2 muscarinic acetylcholine receptor bound to the agonist iperoxo

Structural Biology Knowledgebase: 4MQS SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.5 Å
  • R-Value Free: 0.298
  • R-Value Work: 0.249

Literature

Macromolecules
Sequence Display for 4MQS

Classification: SIGNALING PROTEIN

Total Structure Weight: 53577.86

Macromolecule Entities
Molecule Chains Length Organism Details
Muscarinic acetylcholine receptor M2 A 351 Homo sapiens Fragment: UNP residues 1-232, 373-466
Mutation: N0D, N1D, N4D, N7D, A373T, K374R
Gene Name(s): CHRM2 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Nanobody 9-8 B 125 Lama glama

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

Subgroup Name: G Protein-Coupled Receptors (GPCRs)

Protein Name: M2 human muscarinic acetylcholine receptor bound to an antagonist


Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
IXO
Query on IXO

A 4-(4,5-dihydro-1,2-oxazol-3-yloxy)-N,N,N- trimethylbut-2-yn-1-aminium
Iperoxo (Synonym)
C10 H17 N2 O2
WXXOCGISBCTWPW-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
IXO EC50: 0.0794 - 0.166 nM (97) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.5 Å
  • R-Value Free: 0.298
  • R-Value Work: 0.249
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 62.90 α = 90.00
b = 78.13 β = 90.00
c = 163.48 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2013-09-16
  • Released Date: 2013-11-27
  • Deposition author(s): Kruse, A.C., Ring, A.M., Manglik, A., Hu, J., Hu, K., Eitel, K., Huebner, H., Pardon, E., Valant, C., Sexton, P.M., Christopoulos, A., Felder, C.C., Gmeiner, P., Steyaert, J., Weis, W.I., Garcia, K.C., Wess, J., Kobilka, B.K.

Revision History

  • 2013-12-18
    Type: Citation | Details: Citation update
  • 2013-12-04
    Type: Citation | Details: Citation update