kanamycin A + CTP => 4'-cytidylylkanamycin A + diphosphate
kanamycin a + ctp => 4'-cytidylylkanamycin a + diphosphate
kanamycin A + CTP => 4'-cytidylylkanamycin A + diphosphate
kanamycin a + ctp => 4'-cytidylylkanamycin a + diphosphate