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. 2022 Mar 22;66(4):e00039-22. doi: 10.1128/aac.00039-22

TABLE 2.

Specific β-lactamase activities

sp act (μmol min−1 mg−1)
β-lactamase Molecular class Penicillin G Cefiderocol
CTX-M-15 A 1.06 <0.005
BEL-1 A 5.94 <0.005
BEL-2 A 2.15 <0.005
SHV-2 A 4.51 0.01
SHV-12 A 7.83 0.33
PER-1 A 1.53 0.80
PER-2 A 0.52 0.36
PER-6 A 3.21 1.69
PER-7 A 1.31 0.84
NDM-1 B 3.85 0.05
NDM-5 B 1.06 0.02
NDM-7 B 2.05 0.04
NDM-9 B 3.92 0.10
SPM-1 B 3.30 0.04
OXA-427 D 0.75 0.006