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. 2001 Jul 31;98(16):8972–8978. doi: 10.1073/pnas.161253298

Figure 1.

Figure 1

Open and paused complexes of late promoters of phages λ and 82. Structures were described (39); the 82 sequence is the variant described. Circles and ovals represent, respectively, the assigned positions of σ70 regions 2 and 4. Paused complexes are shown in the forward position (38).