1.17.2.3 K62E mutant of cytochrome c553 per site-directed mutagenesis with 3fold increased initial reaction velocity 288371 1.17.2.3 K62E/K63E mutant of cytochrome c553 per site-directed mutagenesis with decreased turnover and recognition of the enzyme, but 5fold increased initial reaction velocity 288371 1.17.2.3 Y64A detailed kinetics, reduced electron exchange with enzyme -, 288372 1.17.2.3 Y64F detailed kinetics, reduced electron exchange with enzyme -, 288372 1.17.2.3 Y64L detailed kinetics, reduced electron exchange with enzyme -, 288372 1.17.2.3 Y64V detailed kinetics, reduced electron exchange with enzyme -, 288372