Catalase Original: -1750 g/mol, i.e., 32 µmol/min/mg (human) Nuclei: Ribosomal RNA: 28S, 18S, 5.8S, 5S rRNA Temperature: 37°C 3190 3161 3145 3133 3124 (sulfate) 3122 (nitrate) 1. Catalase is an enzyme that catalyzes the decomposition of hydrogen peroxide into water and oxygen. 1) Catalase: H2O2 + H2O2 → 2H2O + O2 Temperature: 37°C, pH 7.0, [H2O2] = 50 mM 2) Catalase activity is inhibited by cyanide (CN-), azide (N3-), and fluoride (F-). 1) Inhibitors: CN-, N3-, F- Temperature: 37°C, pH 7.0, [H2O2] = 50 mM 3) Catalase activity is inhibited by 2 mM NaF. 1) Inhibitor: NaF Temperature: 37°C, pH 7.0, [H2O2] = 50 mM 4) Catalase activity is inhibited by 2 mM NaN3. 1) Inhibitor: NaN3 Temperature: 37°C, pH 7.0, [H2O2] = 50 mM 5) Catalase activity is inhibited by 2 mM NaCN. 1) Inhibitor: NaCN Temperature: 37°C, pH 7.0, [H2O2] = 50 mM