confers_resistance_to_antibiotic cefazolin ceftriaxone amoxicillin confers_resistance_to_antibiotic benzylpenicillin ampicillin cefotaxime PRC beta-lactamase PRC-1 PRC-1 is a beta-lactamase that confers resistance to certain cephalosporins and penicillins. ARO:3007085 PRC-1 antibiotic_resistance