Fig. 3From: Genome-wide computational analysis of potential long noncoding RNA mediated DNA:DNA:RNA triplexes in the human genomeDistribution 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)Back to article page