4'-guanylylkanamycin A + diphosphate => kanamycin A + GTP
4'-guanylylkanamycin a + diphosphate => kanamycin a + gtp
4'-guanylylkanamycin A + diphosphate => kanamycin A + GTP
4'-guanylylkanamycin a + diphosphate => kanamycin a + gtp