the aaca1 gene , which encodes a 6'-n-acetyltransferase [ aac ( 6 ' ) -i ] mediating resistance to kanamycin , tobramycin , and amikacin , was cloned from the citrobacter diversus r plasmid pbwh100 into the escherichia coli vector pbr322 .
C0022487
kanamycin
C0002499
amikacin