TABLE 4.
Amino acid alterations in strains in this study compared with E. faecalis SEF96
Strain | MICs (μg/ml), ampicillin/imipenem | IC50 (μg/ml), ampicillin/imipenem | Alteration at position:
|
|||
---|---|---|---|---|---|---|
50 | 369 | 520 | 605 | |||
SEF96 | 1/1 | 0.25/0.25 | Tyr | Val | Pro | Tyr |
ATCC 29212 | 1/1 | 0.25/0.125 | Ala | |||
SVR 250 | 1/0.5 | 1/0.25 | Ile | |||
SVR 251 | 1/0.5 | 0.25/0.5 | Ile | |||
SVR 34 | 8/4 | 4/4 | His | |||
SVR 138 | 8/4 | 4/4 | His | |||
SVR 1110 | 16/32 | 8/32 | Ser | His | ||
SVR 1119 | 16/32 | 8/32 | Ser | His |