9QHO | pdb_00009qho

Cryo-EM structure of mouse TRPM3 alpha 2 in complex with antagonist Primidone

PDB DOI: https://doi.org/10.2210/pdb9QHO/pdb
EM Map EMD-53175: EMDB EMDataResource

Classification: MEMBRANE PROTEIN
Organism(s): Mus musculus
Expression System: Homo sapiens
Mutation(s): No

Deposited: 2025-03-16 Released: 2026-02-11
Deposition Author(s): Shkumatov, A.V., Schenck, S., Brunner, J.D.
Funding Organization(s): Not funded

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.28 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

Starting Model: experimental
View more details

wwPDB Validation 3D Report Full Report

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

Literature

Cryo-EM structure of mouse TRPM3 alpha 2 in complex with antagonist Primidone

Shkumatov, A.V., Schenck, S., Brunner, J.D.

To be published.

Macromolecule Content

Total Structure Weight: 653.72 kDa
Atom Count: 28,360
Modeled Residue Count: 3,432
Deposited Residue Count: 5,636
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
MKIAA1616 protein	A, B, C, D	1,409	Mus musculus	Mutation(s): 0 Gene Names: Trpm3, mKIAA1616
UniProt & NIH Common Fund Data Resources
Find proteins for Q69ZE8 (Mus musculus) Explore Q69ZE8 Go to UniProtKB: Q69ZE8
IMPC: MGI:2443101
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	Q69ZE8
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
PX8 Query on PX8 Download Ideal Coordinates CCD File SDF format, chain G [auth B] SDF format, chain H [auth B] SDF format, chain K [auth C] SDF format, chain N [auth C] MOL2 format, chain G [auth B] MOL2 format, chain H [auth B] MOL2 format, chain K [auth C] MOL2 format, chain N [auth C] mmCIF format, chain G [auth B] mmCIF format, chain H [auth B] mmCIF format, chain K [auth C] mmCIF format, chain N [auth C]	G [auth B], H [auth B], K [auth C], N [auth C]	1,2-DISTEAROYL-SN-GLYCERO-3-PHOSPHATE C₃₉ H₇₆ O₈ P YFWHNAWEOZTIPI-DIPNUNPCSA-M		Interactions Focus chain G [auth B] Focus chain H [auth B] Focus chain K [auth C] Focus chain N [auth C] Interactions & Density Focus chain G [auth B] Focus chain H [auth B] Focus chain K [auth C] Focus chain N [auth C]
9Z9 Query on 9Z9 Download Ideal Coordinates CCD File SDF format, chain I [auth B] SDF format, chain L [auth C] SDF format, chain O [auth D] SDF format, chain E [auth A] MOL2 format, chain I [auth B] MOL2 format, chain L [auth C] MOL2 format, chain O [auth D] MOL2 format, chain E [auth A] mmCIF format, chain I [auth B] mmCIF format, chain L [auth C] mmCIF format, chain O [auth D] mmCIF format, chain E [auth A]	E [auth A], I [auth B], L [auth C], O [auth D]	(3beta,14beta,17beta,25R)-3-[4-methoxy-3-(methoxymethyl)butoxy]spirost-5-en C₃₄ H₅₆ O₅ CEEBZAXXSRFQIC-GZSGZGDASA-N		Interactions Focus chain E [auth A] Focus chain I [auth B] Focus chain L [auth C] Focus chain O [auth D] Interactions & Density Focus chain E [auth A] Focus chain I [auth B] Focus chain L [auth C] Focus chain O [auth D]
A1AIA (Subject of Investigation/LOI) Query on A1AIA Download Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain J [auth B] SDF format, chain M [auth C] SDF format, chain P [auth D] MOL2 format, chain F [auth A] MOL2 format, chain J [auth B] MOL2 format, chain M [auth C] MOL2 format, chain P [auth D] mmCIF format, chain F [auth A] mmCIF format, chain J [auth B] mmCIF format, chain M [auth C] mmCIF format, chain P [auth D]	F [auth A], J [auth B], M [auth C], P [auth D]	primidone C₁₂ H₁₄ N₂ O₂ DQMZLTXERSFNPB-UHFFFAOYSA-N		Interactions Focus chain F [auth A] Focus chain J [auth B] Focus chain M [auth C] Focus chain P [auth D] Interactions & Density Focus chain F [auth A] Focus chain J [auth B] Focus chain M [auth C] Focus chain P [auth D]