2.1.1.137	C10S	activtiy similar to wild-type	757684	
2.1.1.137	C10S/C11S/C193S/C268S	mutant dispays activity	757684	
2.1.1.137	C11S	activity similar to wild-type	757684	
2.1.1.137	C145S	loss of catalytic activity	757684	
2.1.1.137	C165S	inactive	721074	
2.1.1.137	C174A	the mutation leads to loss of As(III) methylation	718946	
2.1.1.137	C186S	mutation abolishes the capability of As(III) methylation	757317	
2.1.1.137	C193S	activity similar to wild-type	757684	
2.1.1.137	C195S	loss of catalytic activity	757684	
2.1.1.137	C210S	inactive	721074