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. 2000 Jul;44(7):1930–1935. doi: 10.1128/aac.44.7.1930-1935.2000

TABLE 6.

β-Lactamases produced by 74 P. mirabilis strains presenting an ESBL phenotype

pI (n) ASPCR position 39
ASPCR position 104
ASPCR position 238
β-Lactamase(s)
Gln Lys Glu Lys Gly Ser
6.3 (71) + + + TEM-3
6.3 + 5.4 (1) + + + + + + TEM-3 + TEM-1
6.3 + 5.6 (1) + + + + + TEM-3 + TEM-2
6.0 (1) + + + TEM-66