EPZ015666   Click here for help

GtoPdb Ligand ID: 8287

Synonyms: EPZ 015666 | EPZ-015666
PDB Ligand
Compound class: Synthetic organic
Comment: EPZ015666 is a first-in-class, potent, selective and orally bioavailable PRMT5 inhibitor. The pharmaceutical composition may comprise the hydrochloride salt. EPZ015666 is compound 166 in patent WO2014100719 [5].
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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

EPZ015666 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 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 8
Hydrogen bond donors 3
Rotatable bonds 8
Topological polar surface area 99.61
Molecular weight 383.2
XLogP -0.03
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 OC(CN1CCc2c(C1)cccc2)CNC(=O)c1ncnc(c1)NC1COC1
Isomeric SMILES O[C@H](CN1CCc2c(C1)cccc2)CNC(=O)c1ncnc(c1)NC1COC1
InChI InChI=1S/C20H25N5O3/c26-17(10-25-6-5-14-3-1-2-4-15(14)9-25)8-21-20(27)18-7-19(23-13-22-18)24-16-11-28-12-16/h1-4,7,13,16-17,26H,5-6,8-12H2,(H,21,27)(H,22,23,24)/t17-/m0/s1
InChI Key ZKXZLIFRWWKZRY-KRWDZBQOSA-N
No information available.
Mechanism Of Action and Pharmacodynamic Effects Click here for help
EPZ015666 inhibits PRMT5, an arginine methyltransferase (RMT) of the histone methyltransferase (HMT) family. PRMT5 is the only PRMT reported to catalyse symmetrical methylation of arginine residues on histone tails [2], and acts to promote transcriptional silencing of target genes. Aberrant regulation of methylation is reported in disease [9], making the proteins controlling this modification attractive drug discovery targets. For example, PRMT5 is overexpressed in several malignancies [1,3,6,8,10], including mantle cell lymphoma (MCL) [4,7].