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. 2007 Oct 24;35(21):7222–7236. doi: 10.1093/nar/gkm501

Table 3.

Distribution of scores of same-strand gene pairs with unknown operon status

Score Number of gene pairs Number of pairs with r > 0.7a in at least 1 set Number of pairs with short intergenic distance (d < 25 bp)
s < −1 1452 161 (11%) 3 (<1%)
−1 ⩽ s < 0 1352 597 (44%) 123 (9%)
0 ⩽ s < 1 1369 658 (48%) 1074 (78%)
1 ⩽ s < 1.2 301 230 (76%) 264 (88%)
s ⩾ 1.2 342 329 (96%) 307 (90%)
Total 4816 1975 1771

ar is correlation between transcript profiles of the adjacent genes in a same-strand pair.