SNX281   Click here for help

GtoPdb Ligand ID: 12011

Compound class: Synthetic organic
Comment: SNX281 is a systemically active stimulator of interferon genes (STING) agonist, that was developed to induce anti-tumour immunity [1]. SNX281 is competitive with the endogenous cyclic dinucleotide STING agonist 2'3'-cGAMP. Analysis reveals that SNX281 self-dimerises to generate a structure that is large enough to occupy STING's cyclic dinucleotide binding site, which switches the protein to its active state conformation.
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Ligand Activity Visualisation Charts

These are box plot that provide a unique visualisation, summarising all the activity data for a ligand taken from ChEMBL and GtoPdb across multiple targets and species. Click on a plot to see the median, interquartile range, low and high data points. A value of zero indicates that no data are available. A separate chart is created for each target, and where possible the algorithm tries to merge ChEMBL and GtoPdb targets by matching them on name and UniProt accession, for each available species. However, please note that inconsistency in naming of targets may lead to data for the same target being reported across multiple charts.

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View interactive charts of activity data across species
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 CDK toolkit. 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 2
Hydrogen bond donors 1
Rotatable bonds 4
Topological polar surface area 84.6
Molecular weight 389.09
XLogP 7.24
No. Lipinski's rules broken 1
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.

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Canonical SMILES CSc1c(Cl)ccc2c1n(CC(=O)O)c1c(c2=O)ccc(c1)C(C)(C)C
Isomeric SMILES CSc1c(Cl)ccc2c1n(CC(=O)O)c1c(ccc(c1)C(C)(C)C)c2=O
InChI InChI=1S/C20H20ClNO3S/c1-20(2,3)11-5-6-12-15(9-11)22(10-16(23)24)17-13(18(12)25)7-8-14(21)19(17)26-4/h5-9H,10H2,1-4H3,(H,23,24)
InChI Key CLGJCTXUWJLYHO-UHFFFAOYSA-N
No information available.
Summary of Clinical Use Click here for help
SNX281 has been advanced as a clinical lead for solid tumours and lymphoma.
Clinical Trials
Clinical Trial ID Title Type Source Comment References
NCT04609579 Study of SNX281 in Subjects With Advanced Solid Tumors and Lymphoma Phase 1 Interventional Stingthera, Inc. In this study, SNX281 will be evaluated as a monotherapy and in combination with the immune checkpoint inhibitor .