TABLE 4.

Amino acid alterations in strains in this study compared with E. faecalis SEF96

StrainMICs (μg/ml), ampicillin/imipenemIC50 (μg/ml), ampicillin/imipenemAlteration at position:
50369520605
SEF961/10.25/0.25TyrValProTyr
ATCC 292121/10.25/0.125Ala
SVR 2501/0.51/0.25Ile
SVR 2511/0.50.25/0.5Ile
SVR 348/44/4His
SVR 1388/44/4His
SVR 111016/328/32SerHis
SVR 111916/328/32SerHis