2.3.1.60 additional information presence of genes encoding the following aminoglycoside-modifying en­zymes: aph (3')-V1, aph (3')-Ia, aac (3)-Ia, aac (3) IIa, aac (6')-Ih, aac (6')-Ib and ant (2')-Ia responsible for resis­tance in 4 different groups of clinical isolates, overview 736260 2.3.1.60 physiological function aminoglycoside acetyltransferase gene aac(3)-Id confers resistance to gentamicin and sisomicin 706886 2.3.1.60 physiological function the enzyme confers gentamicin resistance but retains geneticin susceptibility 756303 2.3.1.60 physiological function the enzyme confers high-level heterologous resistance to the aminoglycosides gentamicin C, sisomicin, and tobramycin 755693