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Table 2 Frequency of motifs in combined promoter sequences (CPS) in Xenopus tropicalis 4.2 genome ( apelen≥ 10, motifgap ≤ 20)

From: APTE: identification of indirect read-out A-DNA promoter elements in genomes

Motif CCAAT GGGCGG AGATA TGATA
Genes with motif within 500 bp upstream of TSSa 13,255 2,531 12,703 12,201
Total number of motifs in genome 1,814,253 108,168 1,918,291 1,617,806
Motifs within 500 bp upstream of TSS (including multiples) 25,253 (1.39%) 3,377 (3.12%) 23,471 (1.22%) 20,927 (1.29%)
Motifs in CPS 3,771 (0.21%) 1,080 (1.00%) 2,351 (0.12%) 2,707 (0.17%)
Motifs in CPS within 500 bp upstream of TSS 36 (0.002%) 13 (0.012%) 18 (0.001%) 19 (0.001%)
  1. aTranscription Start Site.