. "\"Catalysis of the reaction: histone H3 N6-acetyl-L-lysine (position 9) + H2O = histone H3 L-lysine (position 9) + acetate. This reaction requires the presence of NAD, and represents the removal of an acetyl group from lysine at position 9 of the histone H3 protein.\" [EC:3.5.1.17, EC:3.5.1.98, RHEA:24551]" . . "NAD-dependent histone deacetylase activity (H3-K9 specific)" . "EC:3.5.1.98" . . .