1.14.13.92 A435Y the mutant is active only with bicyclo[3.2.0]hept-2-en-6-one 726716 1.14.13.92 A435Y the mutant shows less than 3% of wild type activity 726716 1.14.13.92 A442G the mutant shows 75% of wild type activity 726716 1.14.13.92 A442P random/saturation mutagenesis, the mutant is active with cyclohexanone, in contrast to the wild-type enzyme, and catalyzes its conversion to epsilon-caprolactone at 81% conversion rate 744548 1.14.13.92 A442P/ L443I/S444Q random and site-directed mutagenesis, the mutant is active with cyclohexanone, in contrast to the wild-type enzyme, and catalyzes its conversion to epsilon-caprolactone at 43% conversion rate 744548 1.14.13.92 A442P/ L443V/S444Q random and site-directed mutagenesis, the mutant is active with cyclohexanone, in contrast to the wild-type enzyme, and catalyzes its conversion to epsilon-caprolactone at 45% conversion rate 744548 1.14.13.92 A442P/L443I random/saturation mutagenesis, the mutant is active with cyclohexanone, in contrast to the wild-type enzyme, and catalyzes its conversion to epsilon-caprolactone at 45% conversion rate 744548 1.14.13.92 A442P/L443L/S444Q random and site-directed mutagenesis, the mutant is active with cyclohexanone, in contrast to the wild-type enzyme, and catalyzes its conversion to epsilon-caprolactone at 41% conversion rate 744548 1.14.13.92 A442P/L443T/S444Q random and site-directed mutagenesis, the mutant is active with cyclohexanone, in contrast to the wild-type enzyme, and catalyzes its conversion to epsilon-caprolactone at 56% conversion rate 744548 1.14.13.92 A442P/L443V random/saturation mutagenesis, the mutant is active with cyclohexanone, in contrast to the wild-type enzyme, and catalyzes its conversion to epsilon-caprolactone at 90% conversion rate 744548