9JG4 | pdb_00009jg4

Structure of Apo human Taurine transporter TauT in saposin nanodiscs at inward open conformation

• PDB DOI: https://doi.org/10.2210/pdb9JG4/pdb
• EM Map EMD-61450: EMDB EMDataResource

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


• Deposited: 2024-09-05 Released: 2025-09-10 
• Deposition Author(s): Zhang, H., Cui, N.N., Xu, E.H.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

---

Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.02 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structural basis of augmenting taurine uptake by the taurine transporter in alleviating cellular senescence.

Zhang, H., Cui, N., Ma, X., Xu, H.E.

(2025) Cell Res 35: 385-388

• PubMed: 40108449 
• DOI: https://doi.org/10.1038/s41422-025-01090-y
• Primary Citation of Related Structures:  
  9JG4, 9JG5

---

Organizational Affiliation: 
• The State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.
Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, NHC Key Laboratory of Digestive Diseases, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Institute of Digestive Disease, Shanghai, China.
Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, NHC Key Laboratory of Digestive Diseases, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Institute of Digestive Disease, Shanghai, China. [e-mail].
Institute of Aging & Tissue Regeneration, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China. [e-mail].
The State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China. [e-mail].
The Shanghai Advanced Electron Microscope Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China. [e-mail].

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: 69.92 kDa 
• Atom Count: 4,342 
• Modeled Residue Count: 544 
• Deposited Residue Count: 620 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Sodium- and chloride-dependent taurine transporter	A	620	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 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL (Subject of Investigation/LOI)	B [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.02 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-09-10 
Deposition Author(s): Zhang, H., Cui, N.N., Xu, E.H.

---

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

Revision History  

• Version 1.0: 2025-09-10
  Type: Initial release