Representative composite transposons
A composite transposon typically has a structure of flanking an accessory region by two separate IS elements that may or may not be exact replicas, and is typically bracketed by short DRs at both ends. Instead of each IS element moving separately, the composite transposon is transposed as one complete unit.
Table 1|List of representative composite transposons
| Category | Sub-category | Designation | Accession number | Synonym | Resistance genes | DR | FASTA sequence | Gene list | GBK-annotation | SQN-annotation | Manual annotation | Gene organization |
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| Composite transposon | IS1F-based | Tn6732a | CP035380 | None | GATGTCGTA |  |
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| Composite transposon | IS1R-based | Tn9 | V00622 | catA1 | |
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| Composite transposon | IS1R-based | Tn2670 | AP000342 | catA1, aadA1, qacED1, and sul1 | TCCCTGTTT | |
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| Composite transposon | IS1X2-based | Tn6831 | CP014778 | None | CCGGCTGCGC | |
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| Composite transposon | IS5-based | Tn6344 | CP003684 | None | TTAG | |
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| Composite transposon | IS5-based | Tn6778 | MT549900 | blaOXY-2-8 | TTAG | |
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| Composite transposon | IS10-based | Tn10 | AP000342 | tetA(B) | TCCTGAGCG | |
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| Composite transposon | IS10R-based | Tn2921 | FJ829469 | fosA | TGCTTCGCG | |
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| Composite transposon | IS15DI-based | Tn6755 | MT570100 | ars, sil, and cop | CTATGAGG | |
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| Composite transposon | IS15DI-based | Tn6578 | AY090559 | aphA1 | GTTTATTG | |
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| Composite transposon | IS15DI-based | Tn6581b | CP042858 | bleO | |
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| Composite transposon | IS15DI-based | Tn6581c | CP042857 | bleO | GTATGAAC | |
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| Composite transposon | IS26-based | Tn1548 | AF550415 | dfrA12, aadA2, msr(E), mph(E), qacEDl, and sul1 | |
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| Composite transposon | IS26-based | Tn4352 | CP042858 | aphA1 | GGAT | |
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| Composite transposon | IS26-based | Tn6402 | KU318421 | dfrA12, aadA2, qacED1, and sul1 | GAAC | |
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| Composite transposon | IS26-based | Tn6020 | FJ172370 | aphA7 | AG | |
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| Composite transposon | IS26-based | Tn6029 | GQ150541 | blaTEM-1, sul2, strA, and strB | |
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| Composite transposon | IS26-based | Tn6295 | KX646543 | erm(B) | TCC | |
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| Composite transposon | IS26-based | Tn6309 | KX710094 | tetA(C) | CCGTAGAA | |
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| Composite transposon | IS26-based | Tn6557 | NC_010886 | dfrA14, and catA2 | CGC | |
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| Composite transposon | IS26-based | Tn6581a | MH160822 | bleO | |
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| Composite transposon | IS50R-based | Tn5 | U00004 | ble | |
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| Composite transposon | IS256-based | Tn4001 | GU565967 | aacA-aphD | TTTACTTA | |
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| Composite transposon | IS257R2-based | Tn4003 | GU565967 | dfrc | TTTTATAA | |
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| Composite transposon | IS903-based | Tn903 | V00359 | aphA1 | ATCAATAAA | |
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| Composite transposon | IS903-based | Tn6501 | CP026022 | blaCTX-M-24 | TCTCTGTGC | |
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| Composite transposon | IS903B-based | Tn6363 | KY978628 | aphA1 | GATAGACTT | |
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| Composite transposon | IS1999-based | Tn1999 | AY236073 | blaOXA-48 | CGTTCAGCA | |
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| Composite transposon | IS3000-based | Tn3000 | KR822246 | blaNDM-1, and bleMBL | AAAT | |
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| Composite transposon | IS6100-based | Tn610 | X53635 | suf3 | |
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| Composite transposon | ISAba1-based | Tn2006 | EF127491 | blaOXA-23 | CCCGCGAAT | |
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| Composite transposon | ISAba125-based | Tn125 | JN872328 | blaNDM-1, and bleMBL | GTT | |
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| Composite transposon | ISAba125-based | Tn6885 | JF343537 | aphA6 | AGC | |
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| Composite transposon | ISApl1-based | Tn6330 | KY471308 | mcr-1.5 | GA | |
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| Composite transposon | ISAs2-based | Tn6518 | MH481281 | mcr-3.6 | |
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| Composite transposon | ISAs2-based | Tn6969 | MK733575 | blaFOX-5 | CTT | |
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| Composite transposon | ISEc69-based | Tn6493 | LT598652 | mcr-2.1 | TAAATAAA | |
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| Composite transposon | ISKpn12-based | Tn6886 | FJ012882 | aacC2, and tmrB | TA | |
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| Composite transposon | ISKpn19-based | Tn6396 | MF190368 | qnrS1 | CAAATTG | |
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| Composite transposon | ISKpn26-based | Tn6728 | AP018750 | blaNDM-1, bleMBL, aphA6, armA, dfrA12, msr(E), mph(E), and aadA2 | CTAG | |
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| Composite transposon | ISKpn26-based | Tn6739 | MT549900 | blaOXY-2-8 | CTAG | |
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| Composite transposon | ISPa12-based | Tn1213 | AY779042 | blaPER-1 | GGCGTAAA | |
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| Composite transposon | ISPpu12-based | Tn6580a | CP042857 | blaCTX-M-14, blaOXA-1, aadA2, chrA, bleO, sul1, qacED1, arr-3, catB3, aacA4-CR, ereA, aacC4, aph(4)-Ia, sul2, tetA(C), iroN, floR, and dfrA32 | TTTCTTTA | |
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| Composite transposon | IS10-based | Tn6798 | CP064829 | tetA(B) | |
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| Composite transposon | IS10-based | Tn6799 | CP064833 | tetA(B), catA1, sul1, qacED1, catB3, aadB, dfrA19, sul1, qacED1, aadA2, and blaCARB-2 | |
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| Composite transposon | IS1R-based | Tn6970 | CP064833 | catA1, aadA1a, qacED1, and sul1 | TTTCTTTA | |
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