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. Author manuscript; available in PMC: 2016 Mar 10.
Published in final edited form as: Nature. 2015 Sep 2;525(7568):274–277. doi: 10.1038/nature14882

Extended Figure 4. Records of TFIIH scanning on SNR20* long with rNTPs or dATP.

Extended Figure 4

Just as for SNR20* short (Fig. 4), the longer promoter shows TFIIH scanning with both rNTPs (a) or dATP only (b), after which either the PIC dissociates (black arrows), or the bubble collapses to the closed (blue and green records) or open complex (grey line) and TFIIH moves again. The dashed line indicates the position of the TSS (+1).