9XQR | pdb_00009xqr

Cryo-EM structure of P1X1 in complex with BTFA

PDB DOI: https://doi.org/10.2210/pdb9XQR/pdb
EM Map EMD-67120: EMDB EMDataResource

Classification: MEMBRANE PROTEIN
Organism(s): Mus musculus
Expression System: Spodoptera frugiperda
Mutation(s): No

Deposited: 2025-11-18 Released: 2025-12-24
Deposition Author(s): Zhang, H.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.14 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 9XQR

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

Literature

Structural basis of ion permeation, calcium selectivity, and pore blocking at the P2X1 receptor

Zhang, H.

To be published.

Macromolecule Content

Total Structure Weight: 147.77 kDa
Atom Count: 7,995
Modeled Residue Count: 997
Deposited Residue Count: 1,281
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
P2X purinoceptor 1	A [auth B], B [auth C], C [auth A]	427	Mus musculus	Mutation(s): 0 Gene Names: P2rx1
UniProt
Find proteins for P51576 (Mus musculus) Explore P51576 Go to UniProtKB: P51576
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P51576
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
ATP Query on ATP Download:Ideal Coordinates CCD File SDF format, chain D [auth B] SDF format, chain F [auth B] SDF format, chain J [auth A] MOL2 format, chain D [auth B] MOL2 format, chain F [auth B] MOL2 format, chain J [auth A] mmCIF format, chain D [auth B] mmCIF format, chain F [auth B] mmCIF format, chain J [auth A]	D [auth B], F [auth B], J [auth A]	ADENOSINE-5'-TRIPHOSPHATE C₁₀ H₁₆ N₅ O₁₃ P₃ ZKHQWZAMYRWXGA-KQYNXXCUSA-N		Interactions Focus chain D [auth B] Focus chain F [auth B] Focus chain J [auth A] Interactions & Density Focus chain D [auth B] Focus chain F [auth B] Focus chain J [auth A]
A1D8Z (Subject of Investigation/LOI) Query on A1D8Z Download:Ideal Coordinates CCD File SDF format, chain M [auth A] MOL2 format, chain M [auth A] mmCIF format, chain M [auth A]	M [auth A]	3,5-bis(trifluoromethyl)aniline C₈ H₅ F₆ N CDIDGWDGQGVCIB-UHFFFAOYSA-N		Interactions Focus chain M [auth A] Interactions & Density Focus chain M [auth A]
NAG Query on NAG Download:Ideal Coordinates CCD File SDF format, chain E [auth B] SDF format, chain K [auth A] SDF format, chain L [auth A] MOL2 format, chain E [auth B] MOL2 format, chain K [auth A] MOL2 format, chain L [auth A] mmCIF format, chain E [auth B] mmCIF format, chain K [auth A] mmCIF format, chain L [auth A]	E [auth B], K [auth A], L [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C₈ H₁₅ N O₆ OVRNDRQMDRJTHS-FMDGEEDCSA-N		Interactions Focus chain E [auth B] Focus chain K [auth A] Focus chain L [auth A] Interactions & Density Focus chain E [auth B] Focus chain K [auth A] Focus chain L [auth A]
CA Query on CA Download:Ideal Coordinates CCD File SDF format, chain G [auth B] MOL2 format, chain G [auth B] mmCIF format, chain G [auth B]	G [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N		Interactions Focus chain G [auth B] Interactions & Density Focus chain G [auth B]
MG Query on MG Download:Ideal Coordinates CCD File SDF format, chain H [auth B] SDF format, chain I [auth C] SDF format, chain N [auth A] MOL2 format, chain H [auth B] MOL2 format, chain I [auth C] MOL2 format, chain N [auth A] mmCIF format, chain H [auth B] mmCIF format, chain I [auth C] mmCIF format, chain N [auth A]	H [auth B], I [auth C], N [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain H [auth B] Focus chain I [auth C] Focus chain N [auth A] Interactions & Density Focus chain H [auth B] Focus chain I [auth C] Focus chain N [auth A]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.14 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2025-12-24

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: 2025-12-24
Type: Initial release

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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.