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Table 1 Co-localization of H3K4me and H3K27me3 in genes

From: Genome-wide analysis of mono-, di- and trimethylation of histone H3 lysine 4 in Arabidopsis thaliana

  Total H3K27me3 target genes Observed Enriched for H3K27me3 target genes?* Depleted of H3K27me3 target genes?*
me1+me2-me3- 179 31 17.32% No (P = 1) Yes (P = 1.6 × 10-5)
me1-me2+me3- 445 206 46.29% Yes (P < 10-10) No (P = 1)
me1-me2-me3+ 675 69 10.22% No (P = 1) Yes (P < 10-10)
me1-me2+me3- 171 33 19.30% No (P = 1) Yes (P = 3.0 × 10-4)
me1+me2-me3+ 437 14 3.20% No (P = 1) Yes (P < 10-10)
me1-me2+me3+ 954 173 18.13% No (P = 1) Yes (P < 10-10)
me1+me2+me3+ 507 16 3.16% No (P = 1) Yes (P < 10-10)
me1-me2-me3- 2,441 1,266 51.86% Yes (P < 10-10) No (P = 1)
  1. *Of the 5,809 genes, 1,808 (31.12%) contain H3K27me3. If the localizations of H3K4me and H3K27me3 are independent of each other, roughly 31.12% of the genes with each H3K4me combination should also contain H3K27me3.