Table 5.

β-Lactamases produced by 39 P. mirabilisstrains presenting an inhibitor-resistant phenotype

pI (n)ASPCR position 39ASPCR position 244β-Lactamase(s) (n)
GlnLysArgSerCys
5.4 (35)++++TEM-1 + IRT-13 (18)
++IRT-13 (14)
++IRT-16 (2)
++++TEM-1 + IRT-16 (1)
5.2 (1)++IRT-2
7.1 (3)NDa NDNDNDNDOxacillinase type
  • a ND, not determined.