9QU4 | pdb_00009qu4

Cryo-EM structure of the inward-open choline-bound state of choline/ethanolamine transporter FLVCR2

PDB DOI: https://doi.org/10.2210/pdb9QU4/pdb
EM Map EMD-53371: EMDB EMDataResource

Classification: MEMBRANE PROTEIN
Organism(s): Homo sapiens
Expression System: Saccharomyces cerevisiae
Mutation(s): No
Membrane Protein: Yes MemProtMD

Deposited: 2025-04-10 Released: 2025-06-11
Deposition Author(s): Driller, J.H., Nel, L., Pedersen, B.P.
Funding Organization(s): Lundbeckfonden, H2020 Marie Curie Actions of the European Commission, Danish Council for Independent Research, The Carlsberg Foundation

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.39 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 9QU4

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

Literature

Comparative and structural analysis of choline transport between eukaryotic choline transport protein families FLVCR and CTL

Nel, L., Driller, J.H., Driller, R., Frain, K.M., Pedersen, B.P.

To be published.

Macromolecule Content

Total Structure Weight: 66.47 kDa
Atom Count: 3,137
Modeled Residue Count: 402
Deposited Residue Count: 597
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Immunoglobulin G-binding protein A,Choline/ethanolamine transporter FLVCR2	A	597	Homo sapiens	Mutation(s): 0 Gene Names: spa, FLVCR2, C14orf58 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P02976 (Staphylococcus aureus (strain NCTC 8325 / PS 47)) Explore P02976 Go to UniProtKB: P02976
Find proteins for Q9UPI3 (Homo sapiens) Explore Q9UPI3 Go to UniProtKB: Q9UPI3
PHAROS: Q9UPI3 GTEx: ENSG00000119686
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Groups	Q9UPI3 P02976
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
CHT (Subject of Investigation/LOI) Query on CHT Download:Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	CHOLINE ION C₅ H₁₄ N O OEYIOHPDSNJKLS-UHFFFAOYSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.39 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21.2_5419

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2025-06-11

Deposition Author(s):

Funding Organization	Location	Grant Number
Lundbeckfonden	Denmark	R380-2021-1207
H2020 Marie Curie Actions of the European Commission	European Union	890822
Danish Council for Independent Research	Denmark	0135-00032B
The Carlsberg Foundation	Denmark	CF19-0127

Revision History (Full details and data files)

Version 1.0: 2025-06-11
Type: Initial release

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.