6.2.1.33 D385A site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 D402A 100fold decrease in ratio kcat/Km for CoA 702299 6.2.1.33 D402P crystallization data. Mutant adopts the proposed adenylate-forming conformation with very little change to the overall structure.The ability of the mutant to catalyze the adenylate-forming half-reaction is reduced by about 3fold, catalysis of the second half-reaction is reduced by 4 orders of magnitude 702299 6.2.1.33 E306Q mutant enzymes G163I, G166I, P168A, K169M and E306Q with reduced catalysis of the adenylation of 4-chlorobenzoate -, 776 6.2.1.33 E410A site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 F473A site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzymem but increased kcat 690988 6.2.1.33 G163I mutant enzymes G163I, G166I, P168A, K169M and E306Q with reduced catalysis of the adenylation of 4-chlorobenzoate -, 776 6.2.1.33 G166I mutant enzymes G163I, G166I, P168A, K169M and E306Q with reduced catalysis of the adenylation of 4-chlorobenzoate -, 776 6.2.1.33 G408A site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 H207A site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 H207F site-directed mutagenesis,the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 H207Q site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 H254A site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 K169M mutant enzymes G163I, G166I, P168A, K169M and E306Q with reduced catalysis of the adenylation of 4-chlorobenzoate -, 776 6.2.1.33 K477A site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 K492A site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 K492L site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 K492R site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 M203A site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 N302A site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 P168A mutant enzymes G163I, G166I, P168A, K169M and E306Q with reduced catalysis of the adenylation of 4-chlorobenzoate -, 776 6.2.1.33 R400A site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 R439A site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 R475A site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 R87A site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 S407A site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 T161A site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 T251A site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 T306A site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 T307A site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988 6.2.1.33 W440A site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme, but increased kcat 690988 6.2.1.33 Y304F site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme 690988