Summary: Useful for assaying lysates, immunoprecipitates or inhibitor screening using the nuclear extract providedIncludes HeLa nuclear extract, a rich source of HDACs 1 & 2 for use as a positive control or as a source of HDAC activity for screeningCompatible with class I & IIb HDAC and sirtuins (with addition of NAD+)Includes enough reagent for 100-200 assays