9JEA | pdb_00009jea

cryo-EM structure of M1 muscarinic acetylcholine receptor in complex with atropine

PDB DOI: https://doi.org/10.2210/pdb9JEA/pdb
EM Map EMD-61411: EMDB EMDataResource

Classification: MEMBRANE PROTEIN
Organism(s): Homo sapiens
Expression System: Spodoptera frugiperda
Mutation(s): No

Deposited: 2024-09-02 Released: 2025-07-09
Deposition Author(s): Gao, K., Zhang, X., Liu, X.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.40 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 9JEA

This is version 1.0 of the entry. See complete history.

Literature

cryo-EM structure of M1 muscarinic acetylcholine receptor in complex with atropine

Gao, K., Zhang, X.

To be published.

Macromolecule Content

Total Structure Weight: 52.12 kDa
Atom Count: 2,745
Modeled Residue Count: 369
Deposited Residue Count: 466
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Muscarinic acetylcholine receptor M1,de novo design protein	A	466	Homo sapiens	Mutation(s): 0 Gene Names: CHRM1
UniProt & NIH Common Fund Data Resources
Find proteins for P11229 (Homo sapiens) Explore P11229 Go to UniProtKB: P11229
PHAROS: P11229 GTEx: ENSG00000168539
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P11229
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
A1EBT (Subject of Investigation/LOI) Query on A1EBT Download:Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	[(1R,5S)-8-methyl-8-azabicyclo[3.2.1]octan-3-yl] (2S)-3-oxidanyl-2-phenyl-propanoate C₁₇ H₂₃ N O₃ RKUNBYITZUJHSG-QKPAOTATSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.40 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2025-07-09

Deposition Author(s):

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	81974236

Revision History (Full details and data files)

Version 1.0: 2025-07-09
Type: Initial release

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.