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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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 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
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 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
Bioactivity Comments
ADU-S100 activates human and mouse STING and promotes pro-inflammatory cytokine production [1]. In mouse xenograft models ADU-S100 induces profound regression of established tumours and distant metastases and generates long-lived anti-tumour immunologic memory.
Selectivity at other protein targets
Key to terms and symbols Click column headers to sort
Target Sp. Type Action Value Parameter Concentration range (M) Reference
stimulator of interferon response cGAMP interactor 1 Hs Agonist Agonist - - - 1
⤷ [1]