1.14.11.26	A106T	80% relative activity compared to the wild type enzyme using 1 mM penicillin G as substrate	671443	
1.14.11.26	A177V	random mutagenesis, the mutant shows increased activity with cephalosporin G compared to the wild-type enzyme	-, 744105	
1.14.11.26	A311V	random mutagenesis	744105	
1.14.11.26	C155Y	90% relative activity compared to the wild type enzyme using 1 mM penicillin G as substrate	671443	
1.14.11.26	C155Y/Y184H/V275I/C281Y	580% relative activity compared to the wild type enzyme using 1 mM penicillin G as substrate	671443	
1.14.11.26	C281Y	200% relative activity compared to the wild type enzyme using 1 mM penicillin G as substrate	671443	
1.14.11.26	E16G/T90A/T304A	random mutagenesis, the mutant shows increased activity with cephalosporin G compared to the wild-type enzyme	744105	
1.14.11.26	E16G/T90A/T304A	site-directed mutagenesis, the mutant shows increased activity with cephalosporin G compared to the wild-type enzyme	744105	
1.14.11.26	E209Q	random mutagenesis, the mutant shows increased activity with cephalosporin G compared to the wild-type enzyme	744105	
1.14.11.26	E82D	random mutagenesis, the mutant shows increased activity with cephalosporin G compared to the wild-type enzyme	-, 744105