Escherichia coli strain C1547 plasmid transposon Tn1721 disrupted TnpA transposase (tnpA) gene, partial sequence; insertion sequence IS26 disrupted TnpA transposase (tnpA) gene, partial sequence; fluoroquinolone acetylating aminoglycoside-(6)-N-acetyltransferase (aac(6')-Ib-cr) gene, complete cds; and OXA-1 beta-lactamase (blaOXA-1) gene, partial cds