Cyanoacrylates define a class of inhibitors which are capable to form a transient covalent bond with a cysteine flanking the binding site, thereby increasing the residence time and prolonging the inhibitory effect on the target protein under nonequilibrium conditions. Herein, we describe the synthetic access to cyanoacrylate-based HDAC4 inhibitors and the procedures for the characterization of the transient nature of the covalent bond between cyanoacrylates and thiols or cysteines in HDAC4.
Keywords: HDAC4; Histone deacetylase inhibitor; Residence time; Reversibility assays; Reversible covalent inhibitors.
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