9K7N

Cryo-EM structure of human taurine transporter TAUT bound taurine in an occluded state in the saposin-disc

• PDB DOI: https://doi.org/10.2210/pdb9K7N/pdb
• EM Map EMD-62150: EMDB EMDataResource

• Classification: TRANSPORT PROTEIN
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 
• Membrane Protein: Yes  PDBTM


• Deposited: 2024-10-24 Released: 2025-02-26 
• Deposition Author(s): Zhang, H., Xu, E.H.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.30 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cryo-EM structure of human taurine transporter TAUT bound taurine in an occluded state in the saposin-disc

Zhang, H., Xu, E.H.

(2025) Cell Res 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 71.37 kDa 
• Atom Count: 4,332 
• Modelled Residue Count: 545 
• Deposited Residue Count: 632 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Sodium- and chloride-dependent taurine transporter	A	632	Homo sapiens	Mutation(s): 0  Gene Names: SLC6A6 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P31641 (Homo sapiens) Explore P31641  Go to UniProtKB:  P31641
PHAROS:  P31641 GTEx:  ENSG00000131389

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TAU (Subject of Investigation/LOI)	B [auth A]	2-AMINOETHANESULFONIC ACID C2 H7 N O3 S XOAAWQZATWQOTB-UHFFFAOYSA-N
CL (Subject of Investigation/LOI)	C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.30 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-02-26 
Deposition Author(s): Zhang, H., Xu, E.H.

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

Revision History  

• Version 1.0: 2025-02-26
  Type: Initial release