confers_resistance_to_antibiotic cefepime ceftazidime piperacillin confers_resistance_to_antibiotic ACC beta-lactamase aztreonam cefotaxime ACC-1 antibiotic_resistance ACC-1 ACC-1 is a beta-lactamase found in Klebsiella pneumoniae. ARO:3001815 cefotetan flomoxef moxalactam cefpirome