TABLE 4.

pbp5 allele polymorphism and ampicillin susceptibility of 102 isolates of E. faeciuma

AlleleNo. of isolatesAmino acid at position:MIC range of ampicillin (mg/liter)No. of isolates
461466′470485496497499524525558582586593607629631634SR
QHMNFAEEAGVLLEGN
150QQTKFTEDAGLLLVGN6-128446
223QDQTKFTEDAGLLLVGN16->256023
314QQMNFAEEAGVLLEGN0.064-96122
44QQMKFTEDAGVLLVGN1.5-3222
52QDQTKLTEDASVQLVGN64-2562
62QQAKFTEDAGLLLVGN48-642
72QQMNFAGEAGVLLERN1-4811
81QSQTKFTEDVGVLLVGN2561
91KQAKFTEDAGLLLVGT961
101QQTKFTEDAGVLFVGN641
111QQMKFIEDAGVLLEGN0.251
121QQMKFTEDAGVLLEGN0.1251
  • a Amino acid positions are based on the sequence of pbp5 (GenBank and EMBL accession no. X84860). DNA corresponding to amino acids 447 to 635 was sequenced.