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. 2008 May 17;9:226. doi: 10.1186/1471-2164-9-226

Figure 2.

Figure 2

Average evolutionary sequence conservation for repetitive versus non-repetitive TFBS. Average conservation levels (± standard errors) are shown for TFBS that are derived from TEs, SSRs and non-repetitive DNA (NR). For each category, conservation levels were determined by averaging across the entire TFBS site (red), the specific contact part of the site that is thought to physically interact with the transcription factor (blue) and the sequence context part of the site that does contact the transcription factor (green).