Purity ≥ 70%. Human HDAC7 (GenBank Accession No. AY302468), (a.a. 518-end) with N-terminal GST tag, expressed in baculovirus expression system. Specific Activity: 1U/ug. One U =1 pmol/min Assay Condition: 25mM Tris/Cl, pH 8.0, 137mM NaCl, 2.7mM KCl, 1mM MgCl2 and 0.1mg/ml BSA, 20uM BPS HDAC substrate and 20 ng/ul HDAC7. Incubation Condition: 30 min at 37°C Applications: Useful for the study of enzyme kinetics, screening inhibitors, and selectivity profiling.