2.3.1.160 C149A site-directed mutagenesis, 10% of wild-type activity 661321 2.3.1.160 C89A site-directed mutagenesis, activity similar to the wild-type enzyme 661321 2.3.1.160 D164A reduction in enzyme activity 682286 2.3.1.160 D164A site-directed mutagenesis, inactive mutant 661321 2.3.1.160 D32A reduction in enzyme activity 682286 2.3.1.160 D32A site-directed mutagenesis, 14% of wild-type activity 661321 2.3.1.160 D360A site-directed mutagenesis, activity similar to the wild-type enzyme 661321 2.3.1.160 D362A reduction in enzyme activity 682286 2.3.1.160 D362A site-directed mutagenesis, 35% of wild-type activity 661321 2.3.1.160 H160A reduction in enzyme activity 682286 2.3.1.160 H160A site-directed mutagenesis, inactive mutant 661321 2.3.1.160 N293A site-directed mutagenesis, 68% of wild-type activity 661321 2.3.1.160 S16A site-directed mutagenesis, 71% of wild-type activity 661321 2.3.1.160 S243A site-directed mutagenesis, 17% of wild-type activity 661321 2.3.1.160 S29A reduction in enzyme activity 682286 2.3.1.160 S29A site-directed mutagenesis, 25% of wild-type activity 661321 2.3.1.160 S413A site-directed mutagenesis, activity similar to the wild-type enzyme 661321 2.3.1.160 S68A site-directed mutagenesis, activity similar to the wild-type enzyme 661321