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. Author manuscript; available in PMC: 2017 Oct 1.
Published in final edited form as: Curr Opin Struct Biol. 2016 Sep 30;40:120–127. doi: 10.1016/j.sbi.2016.09.009

Figure 4. Visualization of new structural elements within the human PIC obtained by resolution improvement.

Figure 4

(a) Key domains of TFIIE and their interaction partners within the PIC. (b) Full-length path of TFIIB in the ITC state reveals the TFIIB linker region to be critical for the stabilization of single stranded non-template DNA. (c) RAP30 WH domain and linker within TFIIF. Elements of the PIC in close proximity are indicated.