R55   Click here for help

GtoPdb Ligand ID: 7520

Synonyms: compound 1 [PMID: 24747528] | TPT-260 | TPT260
Compound class: Synthetic organic
Comment: R55 is an experimental compound with potential therapeutic implications for Alzheimer's disease [1].
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 4
Hydrogen bond donors 4
Rotatable bonds 6
Topological polar surface area 178.58
Molecular weight 260.02
XLogP 0.42
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 NC(=N)SCc1ccc(s1)CSC(=N)N
Isomeric SMILES NC(=N)SCc1ccc(s1)CSC(=N)N
InChI InChI=1S/C8H12N4S3/c9-7(10)13-3-5-1-2-6(15-5)4-14-8(11)12/h1-2H,3-4H2,(H3,9,10)(H3,11,12)
InChI Key XGDUNTSTRCLVLN-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/)
No information available.
Mechanism Of Action and Pharmacodynamic Effects Click here for help
R55 is an investigational compound which is reported to act as a pharmacological chaperone. This action appears to enhance the stability and function the neuronal retromer (a protein complex which transports APP away from the endosome; a site of APP cleavage to Aβ), and in cultured hippocampal neurons reduces Aβ levels [1]. This compound represents a novel mechanism for the treatment of Alzheimer's disease (AD).