9J37 | pdb_00009j37

Cryo-EM structure of human Alpha-7 nicotinic acetylcholine receptor

PDB DOI: https://doi.org/10.2210/pdb9J37/pdb
EM Map EMD-61108: EMDB EMDataResource

Classification: MEMBRANE PROTEIN
Organism(s): Homo sapiens
Expression System: Homo sapiens
Mutation(s): No
Membrane Protein: Yes MemProtMD

Deposited: 2024-08-08 Released: 2025-08-13
Deposition Author(s): Yu, R., Zhao, Y.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.30 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 9J37

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

Literature

Cryo-EM structure of human Alpha-7 nicotinic acetylcholine receptor

Lei, R.Y., Hui, J.Z.

To be published.

Macromolecule Content

Total Structure Weight: 276.22 kDa
Atom Count: 15,970
Modeled Residue Count: 1,975
Deposited Residue Count: 2,400
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Neuronal acetylcholine receptor subunit alpha-7	A, B, C, D, E	480	Homo sapiens	Mutation(s): 0 Gene Names: CHRNA7, NACHRA7 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P36544 (Homo sapiens) Explore P36544 Go to UniProtKB: P36544
PHAROS: P36544 GTEx: ENSG00000175344
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P36544
Glycosylation
Glycosylation Sites: 2	Glycosylation Focus chain A Focus chain B Focus chain C Focus chain D Focus chain E	Go to GlyGen: P36544-1
Sequence Annotations Expand
Reference Sequence

Oligosaccharides

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	F, G, H, I, J	2		N-Glycosylation	Interactions Focus chain F Focus chain G Focus chain H Focus chain I Focus chain J Interactions & Density Focus chain F Focus chain G Focus chain H Focus chain I Focus chain J
Glycosylation Resources
GlyTouCan: G42666HT GlyCosmos: G42666HT GlyGen: G42666HT

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
CLR (Subject of Investigation/LOI) Query on CLR Download:Ideal Coordinates CCD File SDF format, chain T [auth E] SDF format, chain R [auth D] SDF format, chain P [auth C] SDF format, chain N [auth B] SDF format, chain L [auth A] MOL2 format, chain T [auth E] MOL2 format, chain R [auth D] MOL2 format, chain P [auth C] MOL2 format, chain N [auth B] MOL2 format, chain L [auth A] mmCIF format, chain T [auth E] mmCIF format, chain R [auth D] mmCIF format, chain P [auth C] mmCIF format, chain N [auth B] mmCIF format, chain L [auth A]	L [auth A], N [auth B], P [auth C], R [auth D], T [auth E]	CHOLESTEROL C₂₇ H₄₆ O HVYWMOMLDIMFJA-DPAQBDIFSA-N		Interactions Focus chain L [auth A] Focus chain N [auth B] Focus chain P [auth C] Focus chain R [auth D] Focus chain T [auth E] Interactions & Density Focus chain L [auth A] Focus chain N [auth B] Focus chain P [auth C] Focus chain R [auth D] Focus chain T [auth E]
NAG (Subject of Investigation/LOI) Query on NAG Download:Ideal Coordinates CCD File SDF format, chain S [auth E] SDF format, chain Q [auth D] SDF format, chain O [auth C] SDF format, chain M [auth B] SDF format, chain K [auth A] MOL2 format, chain S [auth E] MOL2 format, chain Q [auth D] MOL2 format, chain O [auth C] MOL2 format, chain M [auth B] MOL2 format, chain K [auth A] mmCIF format, chain S [auth E] mmCIF format, chain Q [auth D] mmCIF format, chain O [auth C] mmCIF format, chain M [auth B] mmCIF format, chain K [auth A]	K [auth A], M [auth B], O [auth C], Q [auth D], S [auth E]	2-acetamido-2-deoxy-beta-D-glucopyranose C₈ H₁₅ N O₆ OVRNDRQMDRJTHS-FMDGEEDCSA-N		Interactions Focus chain K [auth A] Focus chain M [auth B] Focus chain O [auth C] Focus chain Q [auth D] Focus chain S [auth E] Interactions & Density Focus chain K [auth A] Focus chain M [auth B] Focus chain O [auth C] Focus chain Q [auth D] Focus chain S [auth E]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.30 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: 2025-08-13

Deposition Author(s):

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	82122064

Revision History (Full details and data files)

Version 1.0: 2025-08-13
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.