Figure 1.

Schematic presentation of the search regions for PAS-, CS- and GU/U motifs, as well as for upstream (Up)/downstream (DN) pentamers used in the algorithm. a[-40:-1], for PAS-strong and PAS-weak poly(A) sites. b[+2:+50], for all three classes of poly(A) sites. c60 nt upstream of the PAS-motif's left boundary, for PAS-strong poly(A) sites. d[-60:-1], for PAS-weak and PAS-less poly(A) sites. e[+2:+60], for PAS-weak poly(A) sites. f[+2:+100], for PAS-less poly(A) sites.

Akhtar et al. BMC Genomics 2010 11:646   doi:10.1186/1471-2164-11-646
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