Figure 2.

DDE and YREK motifs of IS4 subgroups and emerging families. Comparative overview of conserved transposase regions among IS4 subgroups and emerging families. Each line represents a part of the amino acid consensus obtained from multiple alignments of members belonging to the displayed IS groups. Numbers in brackets correspond to the mean amino acid spacer (accompanied by standard deviation) between the two aspartate residues or the aspartate and glutamate residues of the DDE motifs among transposases form a given group. The conserved transposase regions N2, N3 and C1 are mentioned on top of alignment. Symbols and colors are used as depicted in keys.

De Palmenaer et al. BMC Evolutionary Biology 2008 8:18   doi:10.1186/1471-2148-8-18
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