9X1C | pdb_00009x1c

ATP-bound structure of P2X332

PDB DOI: https://doi.org/10.2210/pdb9X1C/pdb
EM Map EMD-66457: EMDB EMDataResource

Classification: SIGNALING PROTEIN
Organism(s): Homo sapiens
Expression System: Homo sapiens
Mutation(s): No

Deposited: 2025-10-01 Released: 2026-10-07
Deposition Author(s): Wang, C., Yu, Y.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.69 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 9X1C

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

Literature

Structure and gating mechanism of P2X2/P2X3 heteromer channels

Wang, C., Yu, Y.

To be published.

Macromolecule Content

Total Structure Weight: 142.05 kDa
Atom Count: 7,696
Modeled Residue Count: 969
Deposited Residue Count: 1,265
Unique protein chains: 2

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
P2X purinoceptor 2	A	471	Homo sapiens	Mutation(s): 0 Gene Names: P2RX2, P2X2
UniProt & NIH Common Fund Data Resources
Find proteins for Q9UBL9 (Homo sapiens) Explore Q9UBL9 Go to UniProtKB: Q9UBL9
PHAROS: Q9UBL9 GTEx: ENSG00000187848
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9UBL9
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
P2X purinoceptor 3	B, C	397	Homo sapiens	Mutation(s): 0 Gene Names: P2RX3
UniProt & NIH Common Fund Data Resources
Find proteins for P56373 (Homo sapiens) Explore P56373 Go to UniProtKB: P56373
PHAROS: P56373 GTEx: ENSG00000109991
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P56373
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
ATP (Subject of Investigation/LOI) Query on ATP Download:Ideal Coordinates CCD File SDF format, chain G [auth C] SDF format, chain E [auth B] SDF format, chain D [auth A] MOL2 format, chain G [auth C] MOL2 format, chain E [auth B] MOL2 format, chain D [auth A] mmCIF format, chain G [auth C] mmCIF format, chain E [auth B] mmCIF format, chain D [auth A]	D [auth A], E [auth B], G [auth C]	ADENOSINE-5'-TRIPHOSPHATE C₁₀ H₁₆ N₅ O₁₃ P₃ ZKHQWZAMYRWXGA-KQYNXXCUSA-N		Interactions Focus chain D [auth A] Focus chain E [auth B] Focus chain G [auth C] Interactions & Density Focus chain D [auth A] Focus chain E [auth B] Focus chain G [auth C]
MG (Subject of Investigation/LOI) Query on MG Download:Ideal Coordinates CCD File SDF format, chain F [auth B] SDF format, chain H [auth C] MOL2 format, chain F [auth B] MOL2 format, chain H [auth C] mmCIF format, chain F [auth B] mmCIF format, chain H [auth C]	F [auth B], H [auth C]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain F [auth B] Focus chain H [auth C] Interactions & Density Focus chain F [auth B] Focus chain H [auth C]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 2.69 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20.1_4487
RECONSTRUCTION	cryoSPARC

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-10-07

Deposition Author(s):

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

Revision History (Full details and data files)

Version 1.0: 2026-10-07
Type: Initial release