Chemistry:Monastrol

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Monastrol
Monastrol.svg
Monastrol.3D.png
Names
IUPAC name
ethyl 4-(3-hydroxyphenyl)-6-methyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidine-5-carboxylate
Other names
Monastrol
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
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
Tracking categories (test):

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]

Mechanism of action

Monastrol inhibits Eg5

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]

References

  1. Thomas U. Mayer; Tarun M. Kapoor; Stephen J. Haggarty; Randall W. King; Stuart L. Schreiber; Timothy J. Mitchison (1999). "Small Molecule Inhibitor of Mitotic Spindle Bipolarity Identified in a Phenotype-Based Screen". Science 286 (5441): 971–974. doi:10.1126/science.286.5441.971. PMID 10542155. http://nbn-resolving.de/urn:nbn:de:bsz:352-140561. 
  2. "Evidence that monastrol is an allosteric inhibitor of the mitotic kinesin Eg5". Chem. Biol. 9 (9): 989–96. September 2002. doi:10.1016/S1074-5521(02)00212-0. PMID 12323373. 

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See also
Receptor/signaling modulators
GABAA receptor positive modulators
GABA metabolism/transport modulators

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