Figure 2.

Representation of the 12 copies of the 5-kb gene cluster present at 12 different locations within the chromosome of strain GPE PC73 of X. albilineans. The light-coloured boxes correspond to the ORFs of the 5-kb gene cluster. They are bordered by unframed plain-coloured boxes assigned to phage, IS transposases, virD4, Rhs or other specific sequences. Similar ORFs (orthologs) are represented by the same coloured squares. The dotted line illustrates two non-adjacent ORFs. The blue and the red stars above the green framed boxes show positions of the serine from the triade Ser-His-Asp and of the Poly-S locations, respectively. MTase: DNA methyltransferase. MTase-XamI: XamI DNA methyltransferase-restriction endonuclease system

Pieretti et al. BMC Genomics 2012 13:658   doi:10.1186/1471-2164-13-658
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