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MC1568   Click here for help

GtoPdb Ligand ID: 11121

Synonyms: compound 2f [PMID: 15857140] | HDAC-IN-1 | MC-1568
Compound class: Synthetic organic
Comment: MC1568 is an inhibitor of class IIa (HDAC4, HDAC5, HDAC6, HDAC7 and HDAC9) and IIb (HDAC6 and HDAC10) histone deacetylases (HDACs) [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 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 2
Hydrogen bond donors 2
Rotatable bonds 6
Topological polar surface area 71.33
Molecular weight 314.11
XLogP 2.28
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 ONC(=O)/C=C/c1cc(cn1C)/C=C/C(=O)c1cccc(c1)F
Isomeric SMILES ONC(=O)/C=C/c1cc(cn1C)/C=C/C(=O)c1cccc(c1)F
InChI InChI=1S/C17H15FN2O3/c1-20-11-12(9-15(20)6-8-17(22)19-23)5-7-16(21)13-3-2-4-14(18)10-13/h2-11,23H,1H3,(H,19,22)/b7-5+,8-6+
InChI Key QRDAPCMJAOQZSU-KQQUZDAGSA-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
MC1568 inhibits immunoprecipitated human HDAC4 (from cell lystates from human ZR-75.1 breast cancer cells) by 55% (5 μM), but is inactive vs. immunoprecipitated human HDAC1. Unsurprisingly, it has no effect on HDAC1-mediated apoptosis, granulocytic differentiation, and cell cycle arrest in U937 acute myeloid leukemia (AML) cells [1].