MS48107   Click here for help

GtoPdb Ligand ID: 10440

Synonyms: GPR68 α-PAM 71 | compound 71 [PMID: 31298539]
Compound class: Synthetic organic
Comment: MS48107 is a potent and selective positive allosteric modulator (PAM) of the proton-sensing orphan GPCR, GPR68 [1]. It was discovered via a SAR study based on the scaffold of the first reported GPR68 PAM, ogerin. MS48107 allosterically increases proton affinity (α-cooperativity) for GPR68. The compound is bioavailable and brain-penetrant in mice, and these attributes in conjunction with its selectivity presents a novel in vitro and in vivo tool that is suitable for investigating the physiological and pathophysiological roles of GPR68.
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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 6
Hydrogen bond donors 3
Rotatable bonds 7
Topological polar surface area 106.18
Molecular weight 417.16
XLogP 3.75
No. Lipinski's rules broken 0
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 OCc1cccc(c1c1nc(NCc2ccc(cc2)Oc2ccccc2)nc(n1)N)F
Isomeric SMILES OCc1cccc(c1c1nc(NCc2ccc(cc2)Oc2ccccc2)nc(n1)N)F
InChI InChI=1S/C23H20FN5O2/c24-19-8-4-5-16(14-30)20(19)21-27-22(25)29-23(28-21)26-13-15-9-11-18(12-10-15)31-17-6-2-1-3-7-17/h1-12,30H,13-14H2,(H3,25,26,27,28,29)
InChI Key KKHDNAZPEMYUNO-UHFFFAOYSA-N
Bioactivity Comments
MS48107 is a weak PAM of GPR65, but only at high concentrations, and does not potentiate proton activity at GPR4 [1].
Selectivity at GPCRs
Key to terms and symbols Click column headers to sort
Target Sp. Type Action Value Parameter Concentration range (M) Reference
GPR68 Primary target of this compound Hs Allosteric modulator Positive 5.8 pKB - 1
⤷ pKB 5.8 (KB 1.412x10-6 M) [1]