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. 2021 Mar 23;12:11. doi: 10.1186/s13100-021-00239-x

Fig. 1.

Fig. 1

IS6 family organization. Top. Structure of IS6 family. The IS is represented by a yellow bar. Left (IRL) and right (IRR) terminal 14 bp IRs are shown as grey filled arrows with the DNA sequence below. The 8 bp direct target repeats are shown as black filled arrows. The transposase open reading frame is shown in purple and its orientation is indicated by the arrow head. Bottom. A Pseudo-compound transposon (see text for explanation). IS6 family characteristics are as above. A generic antibiotic resistance gene ABr is shown in red