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rentosertib   Click here for help

GtoPdb Ligand ID: 13279

Synonyms: compound 112 [WO2022179528] [6] | compound 4 [PMID: 39422731] | INS-018-055 | INS-018_055 | INS018-055 | ISM001-055
PDB Ligand
Compound class: Synthetic organic
Comment: INS018_055 is a small-molecule TRAF2- and NCK-interacting kinase (TNIK) inhibitor [1,3]. It was identified by InSilico Medicine using an AI-driven approach, and is proposed to combat pulmonary fibrosis. Nominally INS018_055 refers to the acetate salt. The INN rentosertib was included in Proposed List 133 which was released by the WHO in July 2025.
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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

rentosertib is commercially available from our sponsors

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 8
Hydrogen bond donors 2
Rotatable bonds 7
Topological polar surface area 75.57
Molecular weight 487.57
XLogP 2.55
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 CC(C)N1C=NC(=C1C2=NC=C(C(=O)NC3=CC=C(C=C3)N4CCN(C)CC4)N2)C5=CC=C(C=C5)F
Isomeric SMILES CC(C)N1C=NC(=C1C2=NC=C(N2)C(=O)NC3=CC=C(C=C3)N4CCN(CC4)C)C5=CC=C(C=C5)F
InChI InChI=1S/C27H30FN7O/c1-18(2)35-17-30-24(19-4-6-20(28)7-5-19)25(35)26-29-16-23(32-26)27(36)31-21-8-10-22(11-9-21)34-14-12-33(3)13-15-34/h4-11,16-18H,12-15H2,1-3H3,(H,29,32)(H,31,36)
InChI Key ZVDNXHUSIKGTSF-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. Aladinskiy V, Kruse C, Qin L, Babin E, Fan Y, Andreev G, Zhao H, Fu Y, Zhang M, Ivanenkov Y et al.. (2024)
Discovery of Bis-imidazolecarboxamide Derivatives as Novel, Potent, and Selective TNIK Inhibitors for the Treatment of Idiopathic Pulmonary Fibrosis.
J Med Chem, 67 (21): 19121-19142. [PMID:39422731]
2. FDA. 
5¿-(4-fluorophenyl)-3¿-isopropyl-N-(4-(4-methylpiperazin-1-yl) phenyl)-1H,3¿H-[2,4¿-biimidazole]-4-carboxamide acetate.
Accessed on 25/03/2024. Modified on 25/03/2024. fda.gov, https://www.accessdata.fda.gov/scripts/opdlisting/oopd/detailedIndex.cfm?cfgridkey=922822
3. Ren F, Aliper A, Chen J, Zhao H, Rao S, Kuppe C, Ozerov IV, Zhang M, Witte K, Kruse C et al.. (2025)
A small-molecule TNIK inhibitor targets fibrosis in preclinical and clinical models.
Nat Biotechnol, 43 (1): 63-75. [PMID:38459338]
4. Tang Q, Xiao D, Veviorskiy A, Xin Y, Lok SWY, Pulous FE, Zhang P, Zhu Y, Ma Y, Hu X et al.. (2025)
AI-Driven Robotics Laboratory Identifies Pharmacological TNIK Inhibition as a Potent Senomorphic Agent.
Aging Dis, [Epub ahead of print]. [PMID:39965245]
5. Xu Z, Ren R, Wang P, Cao J, Tan C, Ma D, Zhao L, Dai J, Ding Y, Fang H et al.. (2025)
A generative AI-discovered TNIK inhibitor for idiopathic pulmonary fibrosis: a randomized phase 2a trial.
Nature Medicine,. DOI: 10.1038/s41591-025-03743-2
6. Zavoronkovs A, Aliper A, Aladinsky V, Kukharenko A. (2022)
Analogs for the treatment of disease.
Patent number: WO2022179528A1. Assignee: Insilico Medicine Ip Limited. Priority date: 23/02/2022. Publication date: 01/09/2022.