9BFJ

Cryo-EM structure of human CHT1 in the choline bound state

• PDB DOI: https://doi.org/10.2210/pdb9BFJ/pdb
• EM Map EMD-44498: EMDB EMDataResource

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


• Deposited: 2024-04-17 Released: 2024-11-06 
• Deposition Author(s): Xue, J., Jiang, Y.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS), Welch Foundation, Howard Hughes Medical Institute (HHMI)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.35 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structural mechanisms of human cardiac sodium calcium exchanger NCX1

Xue, J., Jiang, Y.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by (software)

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 66.69 kDa 
• Atom Count: 3,833 
• Modelled Residue Count: 496 
• Deposited Residue Count: 614 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
High affinity choline transporter 1	A	614	Homo sapiens	Mutation(s): 0  Gene Names: SLC5A7, CHT1
UniProt & NIH Common Fund Data Resources
Find proteins for Q9GZV3 (Homo sapiens) Explore Q9GZV3  Go to UniProtKB:  Q9GZV3
PHAROS:  Q9GZV3 GTEx:  ENSG00000115665

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CHT (Subject of Investigation/LOI)	B [auth A]	CHOLINE ION C5 H14 N O OEYIOHPDSNJKLS-UHFFFAOYSA-N
CL (Subject of Investigation/LOI)	C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
NA (Subject of Investigation/LOI)	D [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.35 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-11-06 
Deposition Author(s): Xue, J., Jiang, Y.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R35GM140892
Welch Foundation	United States	I-1578
Howard Hughes Medical Institute (HHMI)	United States	--

Revision History  

• Version 1.0: 2024-11-06
  Type: Initial release