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. 2017 Dec 13;8:20. doi: 10.1186/s13100-017-0105-0

Fig. 5.

Fig. 5

LTR features and DNA methylation. The LTR copies (n = 8153) are categorized into 5′ LTR (blue), 3′ LTR (red) and solo LTR (green) and into five groups according to their methylation levels in the sperm (a) and in the tail (b). The numbers indicate actual copy numbers. (c, d) Comparison of methylation levels in sperm (c) and tail (d) in the two LTRs within the same elements. For IAP copies having both 5′ and 3′ LTRs, the methylation levels in the 5′ LTRs (x axis) are plotted against those in the 3′ LTRs (y axis)