... modulating the rate of electrontransfer between MMOR and MMOH [4,5], altering the redox potential of the binuclear iron site [6], optimizing the interaction between MMOR and MMOH [7], controlling the ... mVÆs)1. The arrow shows the effect of increasingcatalase concentrations (0, 2.4, 4.8 and 7.2 lM, respectively). The effect of ventilating the reaction at the highest catalase concentration wasalso ... activity and regulation byMMOB as the natural NAD(P)H-driven reaction and mayhave the potential for development into an economic,NAD(P)H-independent oxygenation catalyst. The signifi-cance of the...