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. 2019 Feb 4;20:24. doi: 10.1186/s13059-019-1638-y

Fig. 4.

Fig. 4

The newly originated RNA editing events are selectively constrained in general. a For the newly originated polyAG editing sites with ancestral state of G, a site frequency spectrum for the derived A allele is shown (Editing Gain). As a background, a list of non-editing, homozygous A sites with ancestral state of G (Control) was used to generate a site frequency spectrum for derived A allele (“Methods”). b For the newly originated polyAG editing sites with ancestral state of A, a site frequency spectrum for the derived G allele is shown (Editing Loss). As a background, a list of non-editing, homozygous G sites with ancestral state of A (Control) was used to generate a site frequency spectrum for derived A allele (“Methods”)