confers_resistance_to_antibiotic confers_resistance_to_antibiotic antibiotic-resistant isoleucyl-tRNA synthetase (ileS) mupirocin Bifidobacterium bifidum ileS conferring resistance to mupirocin antibiotic_resistance Bifidobacteria have an intrinsically resistant form of ileS (isoleucyl-tRNA synthetase) that confers resistance to mupirocin. Bbif_ileS_MUP ARO:3003730