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. Author manuscript; available in PMC: 2022 Jan 1.
Published in final edited form as: Trends Microbiol. 2020 May 13;29(1):28–40. doi: 10.1016/j.tim.2020.04.007

Figure 2.

Figure 2.

Summary of the organization and target recognition motifs of persistent MTases based on the REBASE database. Yellow circles represent solitary MTases, whereas red ones represent complete systems. 100% means that the MTase is always found either as solitary (without a cognate endonuclease) or as part of a complete R-M system. Values below 100% indicate that both organizations are present, being the most predominant highlighted. For example, Type II GTWWAC-recognizing MTases are exclusively solitary, whereas Type III CACAG-recognizing MTases are exclusively found within complete R-M systems. GATC-recognizing MTases are found as solitary in 98.9% of the species analyzed, and the remaining 1.1% in complete systems. Target recognition motifs shown are based on the REBASE database. Circle radius is proportional to the number of species in which the MTase is present