Table 4.

Characteristics of OXA-type ESBLs

β-Lactamase Derivation pI Amino acid substitutions vs. OXA-10 Country of origin Bacterial species Reference
OXA-11 OXA-10 6.4Asn143Ser, Gly157Asp Turkey P. aeruginosa 65
OXA-13 OXA-10 8.0 Ile10Thr, Gly20Ser, Asp55N, Asn73Ser, Thr107Ser, Tyr174Phe, Glu229Gly, Ser245Asn, Glu259Ala France P. aeruginosa 104
OXA-14 OXA-10 6.2 Gly157AspTurkey P. aeruginosa 45
OXA-15 OXA-2 8.7, 8.9 doublet NAa Turkey P. aeruginosa 46
OXA-16 OXA-10 6.2 Ala124Thr, Gly157AspTurkey P. aeruginosa 47
OXA-17 OXA-10 6.1Asn73Ser Turkey P. aeruginosa 44
OXA-18 OXA-9, OXA-12 5.5 NA France P. aeruginosa 131
OXA-19OXA-10 7.6 Ile10Thr, Gly20Ser, Asp55Asn, Thr107Ser, Gly157Asp, Tyr174Phe, Glu229Gly, Ser245Asn, Glu259Ala France P. aeruginosa 102
OXA-28 OXA-10 7.6 Ile10Thr, Gly20Ser, Thr107Ser, Trp154Gly, Gly157Asp, Tyr174Phe, Glu229Gly, Ser245Asn, Glu259Ala France P. aeruginosa 134
  • a NA, not applicable; these enzymes do not originate from OXA-10.