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choline   Click here for help

GtoPdb Ligand ID: 4551

PDB Ligand
Compound class: Metabolite
Comment: Choline is a component of several INN-assigned drugs
2D Structure
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2D Structure

An image of the ligand's 2D structure. For small molecules with SMILES these are drawn using the NCI/CADD Chemical Identifier Resolver. Click on the image to access the chemical structure search tool with the ligand pre-loaded in the structure editor. For other types of ligands, e.g. longer nucleotides and peptides, a manually drawn representation of the molecule may be provided.

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Physico-chemical Properties
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Physico-chemical Properties

Calculated molecular properties are available for small molecules and natural products (not peptides). Properties were generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/). All properties were selected to enable the prediction of the Lipinski Rule-of-Five profile or ‘druglikeness’ for each ligand. For more info on each category see the help pages.

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Hydrogen bond acceptors 1
Hydrogen bond donors 1
Rotatable bonds 2
Topological polar surface area 20.23
Molecular weight 104.11
XLogP -0.84
No. Lipinski's rules broken 0

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)
SMILES / InChI / InChIKey
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SMILES / InChI / InChIKey

SMILES (Simplified Molecular Input Line Entry Specification) A specification for unambiguously describing the structure of chemical molecules using short ASCII strings. Canonical SMILES specify a unique representation of the 2D structure without chiral or isotopic specifications. Isomeric SMILES include chiral specification and isotopes.

Standard InChI (IUPAC International Chemical Identifier) and InChIKey InChI is a non-proprietary, standard, textual identifier for chemical substances designed to facilitate linking of information and database searching. An InChIKey is a simplified version of a full InChI, designed for easier web searching.

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)

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Canonical SMILES OCC[N+](C)(C)C
Isomeric SMILES OCC[N+](C)(C)C
InChI InChI=1S/C5H14NO/c1-6(2,3)4-5-7/h7H,4-5H2,1-3H3/q+1
InChI Key OEYIOHPDSNJKLS-UHFFFAOYSA-N

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)
References
1. Bravo DT, Kolmakova NG, Parsons SM. (2004)
Choline is transported by vesicular acetylcholine transporter.
J Neurochem, 91 (3): 766-8. [PMID:15485505]
2. Khare P, Ojeda AM, Chandrasekaran A, Parsons SM. (2010)
Possible important pair of acidic residues in vesicular acetylcholine transporter.
Biochemistry, 49 (14): 3049-59. [PMID:20225888]
3. Maity S, Sharma K. (2025)
The mitochondrial choline transporter, SLC25A48, regulates urine and blood choline levels in humans.
Kidney Int, 107 (2): 225-227. [PMID:39848743]
4. Patil S, Borisov O, Scherer N, Wirth C, Schlosser P, Wuttke M, Ehret S, Hannibal L, Eckardt KU, Hunte C et al.. (2025)
The membrane transporter SLC25A48 enables transport of choline into human mitochondria.
Kidney Int, 107 (2): 296-301. [PMID:39084256]
5. Verkerke ARP, Shi X, Li M, Higuchi Y, Yamamuro T, Katoh D, Nishida H, Auger C, Abe I, Gerszten RE et al.. (2024)
SLC25A48 controls mitochondrial choline import and metabolism.
Cell Metab, 36 (9): 2156-2166.e9. [PMID:39111307]