1.11.1.21 2 H2O2 = O2 + 2 H2O - - 1.11.1.21 2 H2O2 = O2 + 2 H2O catalytic mechanism 654769 1.11.1.21 2 H2O2 = O2 + 2 H2O distal site Asp152 is essential for the catalase activity of catalase-peroxidase, mechanism for hydrogen peroxide oxidation in volving residues Trp122 and Asp152 654706 1.11.1.21 2 H2O2 = O2 + 2 H2O the catalytically relevant active site residues Trp111, Tyr238, and Met264 are linked by a covalent structure 656158 1.11.1.21 donor + H2O2 = oxidized donor + 2 H2O - -