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. 2015 Nov 27;8:50. doi: 10.1186/s13072-015-0041-5

Fig. 4.

Fig. 4

Characteristics of piRNA sequences (24–29 nt). a Percentages of 1U and 10A signatures in bona fide and in TE piRNAs in An. gambiae. b Percentages of 1U and 10A signatures in bona fide and in TE piRNAs in D. melanogaster. c 5′ ends of complementary piRNAs of An. gambiae frequently exhibited a 10-bp overlap (the ping-pong signature) in all piRNA genome-mappers. d Nucleotide abundance in the 10-bp overlap section of ping-pong piRNA partners in An. gambiae