2.1.1.3	dimethylsulfonioacetate + DL-homocysteine	-	451817	
2.1.1.3	dimethylthetin + L-homocysteine	-	319677	
2.1.1.3	dimethylthetin + L-homocysteine	i.e. dimethylsulfonioacetate, specific for L-homocysteine	319677	
2.1.1.3	additional information	methyl group donors are ethylmethylthetin, dimethyl-alpha- and dimethyl-beta-propiothetin, ethylmethyl-beta-propiothetin, dimethyl-gamma-butyrothetin, methionine methylsulfonium, trimethylsulfonium, ethyldimethylsulfonium or butyldimethylsulfonium, no acceptors are cysteamine, 2-mercaptoethanol, DL-homocystine, sodium mercaptoacetate	89