8YS8 | pdb_00008ys8

The Cyro-EM Structure of human SLC26A3 with non-specific inhibitor Tenidap

PDB DOI: https://doi.org/10.2210/pdb8YS8/pdb
EM Map EMD-39563: EMDB EMDataResource

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

Deposited: 2024-03-22 Released: 2025-09-24
Deposition Author(s): Feng, J.R., Dang, S.
Funding Organization(s): The University Grants Committee, Research Grants Council (RGC)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.79 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

Starting Model: in silico
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wwPDB Validation 3D Report Full Report

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

Literature

Structural Insights into the Inhibition Mechanism of Human DRA

Feng, J.R., Dang, S.

To be published.

Macromolecule Content

Total Structure Weight: 173.72 kDa
Atom Count: 11,122
Modeled Residue Count: 1,384
Deposited Residue Count: 1,528
Unique protein chains: 1

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chloride anion exchanger	A, B	764	Homo sapiens	Mutation(s): 0 Gene Names: SLC26A3, DRA
UniProt & NIH Common Fund Data Resources
Find proteins for P40879 (Homo sapiens) Explore P40879 Go to UniProtKB: P40879
PHAROS: P40879 GTEx: ENSG00000091138
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P40879
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
Y01 (Subject of Investigation/LOI) Query on Y01 Download:Ideal Coordinates CCD File SDF format, chain L [auth B] SDF format, chain K [auth B] SDF format, chain J [auth B] SDF format, chain I [auth B] SDF format, chain G [auth A] SDF format, chain F [auth A] SDF format, chain E [auth A] SDF format, chain D [auth A] MOL2 format, chain L [auth B] MOL2 format, chain K [auth B] MOL2 format, chain J [auth B] MOL2 format, chain I [auth B] MOL2 format, chain G [auth A] MOL2 format, chain F [auth A] MOL2 format, chain E [auth A] MOL2 format, chain D [auth A] mmCIF format, chain L [auth B] mmCIF format, chain K [auth B] mmCIF format, chain J [auth B] mmCIF format, chain I [auth B] mmCIF format, chain G [auth A] mmCIF format, chain F [auth A] mmCIF format, chain E [auth A] mmCIF format, chain D [auth A]	D [auth A] E [auth A] F [auth A] G [auth A] I [auth B] D [auth A], E [auth A], F [auth A], G [auth A], I [auth B], J [auth B], K [auth B], L [auth B]	CHOLESTEROL HEMISUCCINATE C₃₁ H₅₀ O₄ WLNARFZDISHUGS-MIXBDBMTSA-N		Interactions Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A] Focus chain I [auth B] Focus chain J [auth B] Focus chain K [auth B] Focus chain L [auth B] Interactions & Density Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A] Focus chain I [auth B] Focus chain J [auth B] Focus chain K [auth B] Focus chain L [auth B]
I2U (Subject of Investigation/LOI) Query on I2U Download:Ideal Coordinates CCD File SDF format, chain H [auth B] SDF format, chain C [auth A] MOL2 format, chain H [auth B] MOL2 format, chain C [auth A] mmCIF format, chain H [auth B] mmCIF format, chain C [auth A]	C [auth A], H [auth B]	5-chloranyl-2-oxidanyl-3-thiophen-2-ylcarbonyl-indole-1-carboxamide C₁₄ H₉ Cl N₂ O₃ S IZSFDUMVCVVWKW-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Focus chain H [auth B] Interactions & Density Focus chain C [auth A] Focus chain H [auth B]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.79 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX
MODEL REFINEMENT	Coot
RECONSTRUCTION	cryoSPARC	v3.0.1
RECONSTRUCTION	cryoSPARC	v2.15.0

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2025-09-24

Deposition Author(s):

Feng, J.R.

Dang, S.

Funding Organization	Location	Grant Number
The University Grants Committee, Research Grants Council (RGC)	Hong Kong	GRF16103321
The University Grants Committee, Research Grants Council (RGC)	Hong Kong	GRF16102822
The University Grants Committee, Research Grants Council (RGC)	Hong Kong	GRF16100223
The University Grants Committee, Research Grants Council (RGC)	Hong Kong	C6001-21EF
The University Grants Committee, Research Grants Council (RGC)	Hong Kong	C6012-22GF