9KHI | pdb_00009khi

Cryo-EM structure of heteromeric TRPC channel

PDB DOI: https://doi.org/10.2210/pdb9KHI/pdb
EM Map EMD-62343: EMDB EMDataResource

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

Deposited: 2024-11-10 Released: 2025-11-12
Deposition Author(s): Kim, S.-H., Lee, H.H.
Funding Organization(s): Samsung Science and Technology Foundation

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.70 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

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

Literature

Cryo-EM structure of heteromeric TRPC channel

Kim, S.-H., Lee, H.H.

To be published.

Macromolecule Content

Total Structure Weight: 365.11 kDa
Atom Count: 21,164
Modeled Residue Count: 2,610
Deposited Residue Count: 3,116
Unique protein chains: 2

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Short transient receptor potential channel 1	A	797	Homo sapiens	Mutation(s): 0 Gene Names: TRPC1, TRP1
UniProt & NIH Common Fund Data Resources
Find proteins for P48995 (Homo sapiens) Explore P48995 Go to UniProtKB: P48995
PHAROS: P48995 GTEx: ENSG00000144935
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P48995
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Short transient receptor potential channel 5	B [auth D], C, D [auth B]	773	Homo sapiens	Mutation(s): 0 Gene Names: TRPC5, TRP5
UniProt & NIH Common Fund Data Resources
Find proteins for Q9UL62 (Homo sapiens) Explore Q9UL62 Go to UniProtKB: Q9UL62
PHAROS: Q9UL62 GTEx: ENSG00000072315
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	Q9UL62
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
YZY (Subject of Investigation/LOI) Query on YZY Download Ideal Coordinates CCD File SDF format, chain N [auth B] SDF format, chain J [auth C] SDF format, chain F [auth D] MOL2 format, chain N [auth B] MOL2 format, chain J [auth C] MOL2 format, chain F [auth D] mmCIF format, chain N [auth B] mmCIF format, chain J [auth C] mmCIF format, chain F [auth D]	F [auth D], J [auth C], N [auth B]	(2S)-2-(hexadecanoyloxy)-3-hydroxypropyl (9Z)-octadec-9-enoate C₃₇ H₇₀ O₅ DOZKMFVMCATMEH-OZKTZCCCSA-N		Interactions Focus chain F [auth D] Focus chain J [auth C] Focus chain N [auth B] Interactions & Density Focus chain F [auth D] Focus chain J [auth C] Focus chain N [auth B]
Y01 (Subject of Investigation/LOI) Query on Y01 Download Ideal Coordinates CCD File SDF format, chain O [auth B] SDF format, chain K [auth C] SDF format, chain G [auth D] MOL2 format, chain O [auth B] MOL2 format, chain K [auth C] MOL2 format, chain G [auth D] mmCIF format, chain O [auth B] mmCIF format, chain K [auth C] mmCIF format, chain G [auth D]	G [auth D], K [auth C], O [auth B]	CHOLESTEROL HEMISUCCINATE C₃₁ H₅₀ O₄ WLNARFZDISHUGS-MIXBDBMTSA-N		Interactions Focus chain G [auth D] Focus chain K [auth C] Focus chain O [auth B] Interactions & Density Focus chain G [auth D] Focus chain K [auth C] Focus chain O [auth B]
ZN (Subject of Investigation/LOI) Query on ZN Download Ideal Coordinates CCD File SDF format, chain P [auth B] SDF format, chain L [auth C] SDF format, chain H [auth D] MOL2 format, chain P [auth B] MOL2 format, chain L [auth C] MOL2 format, chain H [auth D] mmCIF format, chain P [auth B] mmCIF format, chain L [auth C] mmCIF format, chain H [auth D]	H [auth D], L [auth C], P [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N		Interactions Focus chain H [auth D] Focus chain L [auth C] Focus chain P [auth B] Interactions & Density Focus chain H [auth D] Focus chain L [auth C] Focus chain P [auth B]
CA (Subject of Investigation/LOI) Query on CA Download Ideal Coordinates CCD File SDF format, chain M [auth B] SDF format, chain I [auth C] SDF format, chain E [auth D] MOL2 format, chain M [auth B] MOL2 format, chain I [auth C] MOL2 format, chain E [auth D] mmCIF format, chain M [auth B] mmCIF format, chain I [auth C] mmCIF format, chain E [auth D]	E [auth D], I [auth C], M [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N		Interactions Focus chain E [auth D] Focus chain I [auth C] Focus chain M [auth B] Interactions & Density Focus chain E [auth D] Focus chain I [auth C] Focus chain M [auth B]