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. Author manuscript; available in PMC: 2020 Apr 15.
Published in final edited form as: Methods. 2019 Feb 22;159-160:29–34. doi: 10.1016/j.ymeth.2019.02.019

Figure 4. Structure determination of Pol II elongation complex.

Figure 4.

An example of crystal and diffraction pattern of Pol II elongation complex is shown. X-ray diffraction image was collected at synchrotron (beamline 8.2.1, Advanced Light Source, Lawrence Berkeley National Laboratory). An example of structural representation of Pol II elongation complex with mini-scaffold was prepared by Pymol [9]. Color codes are the same as in schematic representation (Fig. 1). Bridge helix and trigger loop are colored as yellow and purple, respectively.