Penicillinase

AER-I beta-Lactamase; Benzylpenicillinase; Carbenicillinase; Exopenicillinase; beta Lactamase III; beta Lactamase RP4; gamma-Penicillinase; AER I beta Lactamase; Lactamase III, beta; Lactamase RP4, beta; beta Lactamase I; beta-Lactamase, AER-I
A beta-lactamase preferentially cleaving penicillins. (Dorland, 28th ed) EC 3.5.2.-.