LIT-001   Click here for help

GtoPdb Ligand ID: 10444

Synonyms: compound 57 [PMID: 30199637] | LIT001
Compound class: Synthetic organic
Comment: LIT-001 is a non-peptide oxytocin (OT) receptor agonist [1]. The compound is proposed as being brain penetrant and to be active in vivo by intraperitoneal injection in mice. OT receptor agonists are predicted to promote prosocial effects in neurological conditions such as autism spectrum disorders (ASD), where interaction deficits are prevalent. LIT-001 provides an in vivo pharmacological tool compound that is suitable for furthering the study of the effects of OT receptor agonism in autism. The primary reference for LIT-001 by Frantz et al. defines the molecule as the S isomer (and as the trifluoroacetate salt) [1]. We display the free base here.
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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 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 8
Topological polar surface area 117.83
Molecular weight 531.24
XLogP 4.15
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 S=C([C@@H]1CCCN1C(=O)NCc1ccc(cc1C)C(=O)N1Cc2cnn(c2Nc2c1cccc2)C)N(C)C
Isomeric SMILES Cc1c(ccc(c1)C(=O)N1Cc2c(Nc3ccccc13)n(nc2)C)CNC(=O)N1CCC[C@H]1C(=S)N(C)C
InChI InChI=1S/C28H33N7O2S/c1-18-14-19(11-12-20(18)15-29-28(37)34-13-7-10-24(34)27(38)32(2)3)26(36)35-17-21-16-30-33(4)25(21)31-22-8-5-6-9-23(22)35/h5-6,8-9,11-12,14,16,24,31H,7,10,13,15,17H2,1-4H3,(H,29,37)/t24-/m0/s1
InChI Key AOPORIRPXVMWSL-DEOSSOPVSA-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/)
Bioactivity Comments
Peripheral intraperitoneal administration of LIT-001 leads to a reduction in social interaction deficits in the Oprm1-/- mouse model of autism [1]. Activation of V2 receptors by LIT-001 is unlikely to impact social behaviour as V2 receptors are not expressed in the central nervous system, but it may contribute to fluid retention [2].
Selectivity at GPCRs
Key to terms and symbols Click column headers to sort
Target Sp. Type Action Value Parameter Concentration range (M) Reference
OT receptor Primary target of this compound Hs Agonist Agonist 6.7 pKi - 1
⤷ pKi 6.7 (Ki 2.26x10-7 M) [1]
Description: Binding affinity determined by a TR-FRET binding assay on HEK cells expressing SNAP-tagged OT receptors using 20 nM fluorescent DY647 and increasing concentration of competitor.
V1A receptor Hs Agonist Agonist 5.9 pKi - 1
⤷ pKi 5.9 (Ki 1.253x10-6 M) [1]
Description: Binding affinity determined by a TR-FRET binding assay on HEK cells expressing SNAP-tagged V1a receptors using 20 nM fluorescent DY647 and increasing concentration of competitor.
V2 receptor Hs Agonist Agonist 5.8 pKi - 1
⤷ pKi 5.8 (Ki 1.666x10-6 M) [1]
Description: Binding affinity determined by a TR-FRET binding assay on HEK cells expressing SNAP-tagged V2 receptors using 20 nM fluorescent DY647 and increasing concentration of competitor.