4.2.1.108	S23A	site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme	749081	
4.2.1.108	T40A	site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme	749081	
4.2.1.108	T41A	site-directed mutagenesis, the mutant shows similar activity as the wild-type enzyme	749081	
4.2.1.108	W21A	site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme	749081	
4.2.1.108	Y52A	site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme	749081	
4.2.1.108	Y85A	site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme	749081	
4.2.1.108	Y85F	site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme	749081	
4.2.1.108	Y85W	site-directed mutagenesis, the mutant shows reduced activity compared to the wild-type enzyme	749081