Monastrol is a cell-permeable small molecule inhibitor discovered by Thomas U. Mayer in the lab of Tim Mitchison. Monastrol was shown to inhibit the kinesin-5 (also known as KIF11, Kinesin Eg5), a motor protein important for spindle bipolarity.[1]
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IUPAC name
ethyl 4-(3-hydroxyphenyl)-6-methyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidine-5-carboxylate
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Other names
Monastrol
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Identifiers | |
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3D model (JSmol)
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ChEBI |
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ChEMBL |
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ChemSpider |
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PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
C14H16N2O3S | |
Molar mass | 292.35344 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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Monastrol binds to a long loop that is specific to the Eg5 (also known as KIF11 or kinesin-5) kinesin family, and allosterically inhibits ATPase activity of the kinesin [2]