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Frequency of a purine motif forming PTS and b pyrimidine motifs PTS across regulatory regions including CpG islands, sites of Transcription Factor binding Clustered V2 (TFBS), Transcription Factor Binding Clustered V3 (TFBS V3), Conserved Transcription Factor binding sites (TFBS Conserved), Literature Curated regulatory regions (Open Regulatory Annotations: ORegAnno) and Enhancers
