3.1.1.45 A150T site-directed mutagenesis, the mutant shows slightly higher Vmax with olmesartan medoxomil compared to the wild-type enzyme 729629 3.1.1.45 C123A inactive 94355 3.1.1.45 C123S - 94357 3.1.1.45 C123S 100% activity towards alpha-naphthyl acetate compared with the wild type enzyme -, 671042 3.1.1.45 C123S burst kinetics with p-nitrophenyl acetate, 10% as active as DLH 94355 3.1.1.45 C123S maximal activity 20% that of the wild type protein 94356, 94358 3.1.1.45 C123S site-directed mutagenesis, mutation of the active site cysteine to a serine, giving a catalytic triad found in serine proteases, completely changes the catalytic activity to a dienelactone isomerase -, 650835 3.1.1.45 C123S/R206A 65% activity towards alpha-naphthyl acetate compared with the wild type enzyme 671042 3.1.1.45 C132A mutant shows a drastic reduction of the olmesartan medoxomil-hydrolyzing activity 704653 3.1.1.45 C132A mutant shows a low activity, 30% of wild-type 704653