2.1.1.137	C224A	the mutation leads to loss of As(III) methylation	718946	
2.1.1.137	C238S	mutation abolishes the capability of As(III) methylation	757317	
2.1.1.137	C250S	the mutation favors S-adenosyl-L-methionine binding to the enzyme	735126	
2.1.1.137	C268S	activity similar to wild-type	757684	
2.1.1.137	C271S	the mutation does not affect the activity and structure of the enzyme	719012	
2.1.1.137	C334S	the mutation decreases the enzymatic turnover and changes the conformation of the enzyme	719012	
2.1.1.137	C360S	the mutation decreases the enzymatic turnover and changes the conformation of the enzyme	719012	
2.1.1.137	C375S	the mutation does not affect the activity and structure of the enzyme	719012	
2.1.1.137	C44A	mutant is unable to methylate arsenic(III) but retains the ability to methylate methylarsenate	755717	
2.1.1.137	C44A/C72A	mutant is unable to methylate arsenic(III) but retains the ability to methylate methylarsenate	755717