1.14.13.16	expressed in Escherichia coli	
1.14.13.16	expression in Escherichia coli	
1.14.13.16	overexpression in Escherichia coli	
1.14.13.16	overexpression of wild-type and mutant enzymes in Escherichia coli	
1.14.13.16	overexpression of wild-type and mutants in strains BL121(DE3) and JM109