Reaction catalyzed by gentamin X2 methyltransferase (2.1.1.B120)
2
+
=
+
+
+
2 S-adenosyl-L-methionine
+
gentamicin X2
=
S-adenosyl-L-homocysteine
+
G418
+
5'-deoxyadenosine
+
L-methionine
