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. 2008 May 27;105(22):7762–7767. doi: 10.1073/pnas.0802406105

Fig. 2.

Fig. 2.

PB vs. DPE. (A) LOGO for the “Pause Button” (PB) motif, computed from instances in stalled promoters. (B) LOGO for matches to the DPE consensus (RGWYV) in stalled promoters. (C) LOGO for matches to the DPE consensus in active promoters. Stalled promoters show a DPE base composition that more closely matches the PB LOGO. Positions on the x axis of LOGOs do not represent position relative to the TSS, but show a 20-bp window around the core of each motif, centered such that positions of similar base composition match for each motif.