amikacin + dTTP => 4'-thymidylylamikacin + diphosphate
amikacin + dttp => 4'-thymidylylamikacin + diphosphate
amikacin + dTTP => 4'-thymidylylamikacin + diphosphate
amikacin + dttp => 4'-thymidylylamikacin + diphosphate