dTTP + kanamycin A => 4'-thymidylylkanamycin A + diphosphate
dttp + kanamycin a => 4'-thymidylylkanamycin a + diphosphate
dTTP + kanamycin A => 4'-thymidylylkanamycin A + diphosphate
dttp + kanamycin a => 4'-thymidylylkanamycin a + diphosphate