9LK8 | pdb_00009lk8

Cryo-EM structure of GAT3

• PDB DOI: https://doi.org/10.2210/pdb9LK8/pdb
• EM Map EMD-63171: EMDB EMDataResource

• Classification: STRUCTURAL PROTEIN
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): Yes 


• Deposited: 2025-01-16 Released: 2025-08-20 
• Deposition Author(s): Zhao, Y., Xu, H.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.40 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Transport mechanisms of GAT3

Zhao, Y., Xu, H.

To be published.

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: 70.77 kDa 
• Atom Count: 3,999 
• Modeled Residue Count: 504 
• Deposited Residue Count: 632 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Sodium- and chloride-dependent GABA transporter 3	A	632	Homo sapiens	Mutation(s): 2  Gene Names: SLC6A11, GABT3, GAT3
UniProt & NIH Common Fund Data Resources
Find proteins for P48066 (Homo sapiens) Explore P48066  Go to UniProtKB:  P48066
PHAROS:  P48066 GTEx:  ENSG00000132164

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ABU (Subject of Investigation/LOI)	B [auth A]	GAMMA-AMINO-BUTANOIC ACID C4 H9 N O2 BTCSSZJGUNDROE-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: 3.40 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20.1_4487

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-08-20 
Deposition Author(s): Zhao, Y., Xu, H.

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

Revision History  

• Version 1.0: 2025-08-20
  Type: Initial release