Sequence logo for unidirectional promoters. Sequence logos corresponding to the word-based clusters of the top 2 overrepresented words of the unidirectional promoters. Rank 1 (a) is corresponding to the word ACCCGCCT, while Rank 2 (b) refers to CTTCTTTC.
Lichtenberg et al. BMC Genomics 2009 10(Suppl 1):S18 doi:10.1186/1471-2164-10-S1-S18