Suggested Reaction 3.3.2.-

Left

4-[4-(Dimethylamino)-N-methyl-L-phenylalanine]virginiamycin S1
+H2O

Right

2-D-Alanine-4-[4-(dimethylamino)-N-methyl-L- phenylalanine]virginiamycin S1
+Methanol

[BiSSCat | GREP ]