Table 3.

Percent identity between the amino acid sequences of class B β-lactamasesa

Enzyme% Identity
BlaBVIM-1IMP-1CcrACphAL1
Bc-II36.438.736.633.529.918.8
BlaBb 26.330.628.128.211.6
VIM-131.432.026.116.4
IMP-136.822.715.3
CcrA27.314.7
CphA16.6
  • a The names of the enzymes are the same as in Fig. 4. The VIM-1 sequence considered for these calculations is that reported in Fig. 4.

  • b —, not applicable.