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. Author manuscript; available in PMC: 2015 Nov 24.
Published in final edited form as: Nat Commun. 2014 Oct 14;5:5132. doi: 10.1038/ncomms6132

Figure 6. Model of clamp conformation control through the stalk.

Figure 6

(a) A nascent RNA, depicted as a dashed line, may stabilize the closed conformation of the clamp in the transcription elongation complex by the interaction with the stalk. (b) Binding of TFE/TFIIEα, shown as a gray ellipse, on the clamp and stalk may stabilize the open conformation of the clamp and stalk in the PIC.