confers_resistance_to_antibiotic confers_resistance_to_drug_class macrolide antibiotic fluoroquinolone antibiotic erythromycin cephalosporin ciprofloxacin tetracycline ceftazidime ceftriaxone meropenem resistance-nodulation-cell division (RND) antibiotic efflux pump confers_resistance_to_antibiotic confers_resistance_to_drug_class penicillin beta-lactam novobiocin azithromycin trimethoprim sulfonamide antibiotic chloramphenicol MexAB-OprM MexAB-OprM ARO:3000386 MexAB-OprM is a multidrug efflux protein expressed in the Gram-negative Pseudomonas aeruginosa. MexA is the membrane fusion protein; MexB is the inner membrane transporter; and OprM is the outer membrane channel. MexAB-OprM is associated with resistance to fluoroquinolones, chloramphenicol, erythromycin, azithromycin, novobiocin, and certain β-lactams and lastly over-expression is linked to colistin resistance. antibiotic_resistance aztreonam colistin A colistin B ampicillin panipenem trimethoprim-sulfamethoxazole