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