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ADU-S100   Click here for help

GtoPdb Ligand ID: 10192

Synonyms: dithio-(Rp,Rp)-[cyclic[A(2',5')pA(3',5')p]] | MIW815 | ML RR-S2 CDA [1] | S100
Immunopharmacology Ligand
Compound class: Synthetic organic
Comment: ADU-S100 (a.k.a. ML RR-S2 CDA) is a synthetic cyclic dinucleotide STING agonist that is being developed as an immuno-oncology lead by Aduro BioTech and Novartis [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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Click here for structure editor
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 18
Hydrogen bond donors 5
Rotatable bonds 2
Topological polar surface area 362.89
Molecular weight 690.06
XLogP -2.13
No. Lipinski's rules broken 1

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 OC1C2COP(=O)(S)OC3C(COP(=S)(OC1C(O2)n1cnc2c1ncnc2N)O)OC(C3O)n1cnc2c1ncnc2N
Isomeric SMILES OC1[C@H]2COP(=O)(S)O[C@@H]3[C@@H](COP(=S)(O[C@H]1[C@@H](O2)n1cnc2c1ncnc2N)O)O[C@H]([C@@H]3O)n1cnc2c1ncnc2N
InChI InChI=1S/C20H24N10O10P2S2/c21-15-9-17(25-3-23-15)29(5-27-9)19-12(32)13-8(38-19)2-36-42(34,44)40-14-11(31)7(1-35-41(33,43)39-13)37-20(14)30-6-28-10-16(22)24-4-26-18(10)30/h3-8,11-14,19-20,31-32H,1-2H2,(H,33,43)(H,34,44)(H2,21,23,25)(H2,22,24,26)/t7-,8-,11?,12-,13-,14-,19-,20-,41?,42?/m1/s1
InChI Key IZJJFUQKKZFVLH-LTKSHMRXSA-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.
Summary of Clinical Use Click here for help
ADU-S100 has been advanced to Phase 1 clinical evaluation as a adjunct to immune checkpoint inhibitors in solid and hematological tumours. Click here to link to ClinicalTrials.gov's full list of ADU-S100 trials.