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. 2017 Sep 2;15:186. doi: 10.1186/s12967-017-1282-9

Fig. 3.

Fig. 3

Distribution of purine motif forming PTS across the transcription start sites (TSS). a and across the Exon–Intron–Exon boundaries (ESS exon start site and EES exon end site) b of RefSeq genes and genomic features associated with RefSeq genes. Distribution of pyrimidine motif forming PTS across TSS (c) and across ESS and EES (d)