coumarin-SAHA (Synonyms: coumarin-Suberoylanilide Hydroxamic Acid) |
| Katalog-Nr.GC43318 |
Coumarin-SAHA ist eine Fluoreszenzsonde zur Bestimmung der BindungsaffinitÄten (kd) und der Dissoziationsraten (koff) der HDAC8-Inhibitor-Komplexe.
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Cas No.: 1260635-77-5
Sample solution is provided at 25 µL, 10mM.
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Suberoylanilide hydroxamic acid (SAHA) is a class I and class II histone deacetylase (HDAC) inhibitor that binds directly to the catalytic site of the enzyme thereby blocking substrate access. [1] coumarin-Suberoylanilide hydroxamic acid (c-SAHA) is a SAHA derivative where the anilino "cap" group is replaced by 7-amino-4-methylcoumarin to produce a fluorescent probe that competitively binds HDAC. [2] The fluorescence excitation and emission maxima of free c-SAHA is 325 and 400 nm, respectively and is quenched by 50% when bound to HDAC8. [2] This probe can be used to determine binding affinities and dissociation off-rates of HDAC enzyme-inhibitor complexes and is well-suited for high-throughput screening.
Reference:
[1]. Marks, P.A., and Breslow, R. Dimethyl sulfoxide to vorinostat: Development of this histone deacetylase inhibitor as an anticancer drug. Nat. Biotechnol. 25(1), 84-90 (2007).
[2]. Singh, R.K., Mandal, T., Balasubramanian, N., et al. Coumarin-suberoylanilide hydroxamic acid as a fluorescent probe for determining binding affinities and off-rates of histone deacetylase inhibitors. Anal. Biochem. 408(2), 309-315 (2011).
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