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Table 3 Isoelectric points (pI) of β-lactamases (Bla-A and Bla-B) of Y. intermedia and Y. frederiksenii

From: Characteristics of β-lactamases and their genes (blaA and blaB) in Yersinia intermedia and Y. frederiksenii

Strains n pI
   Bla-A Bla-B
Y. intermedia    
   Clinical 4 8.7 6.5, 6.8, 7.5
   Non-clinicala 4 8.7 6.0, 6.8, 7.1, 7.8, 8.0
    5.5, 6.0
    6.8, 7.0
Y. frederiksenii    
   Clinical 6 8.7 6.0, 6.8, 8.0
   Non-clinicalb 1 8.7 6.0, 6.8, 8.0
  1. n: number of strains
  2. aWastewater (2 strains) and pig throat (2 strains)
  3. bIsolates from pig throat