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. 2017 May 24;7:2393. doi: 10.1038/s41598-017-02453-1

Figure 1.

Figure 1

(a) The structure of tCO (red) base-paired with guanine (G). (b) RNA sequences investigated in this study. Sites of variation in the 5′- and 3′-direction of tCO are denoted with X and Y, respectively. XY and X2X1Y1Y2 are given as sequence names in Tables 1 and 2, respectively, and the full sequences can be found in Supplementary Table S1.