as a model for the substrate hydrogen peroxide , this geometry is consistent with the suggestion that arg-48 serves to polarize the o-o peroxide bond to promote heterolytic cleavage of the bond [ poulos , t. l. , & kraut , j . ( 1980 ) j. biol . chem . 255 , 8199-8205 ] .
C0020281
hydrogen peroxide
C0031180
peroxide