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. Author manuscript; available in PMC: 2018 Jun 1.
Published in final edited form as: J Struct Biol. 2017 Apr 19;198(3):203–209. doi: 10.1016/j.jsb.2017.04.006

Figure 6.

Figure 6

TcdB-GTD crystallized in an apo-like conformation contains two chains within the ASU. (A) Top-down view demonstrating the position of apigenin and non-crystallographic symmetry of the TcdB-GTD chains. (B) Overlay of apo TcdA-GTD (yellow) and TcdB-GTD (cyan) in an apo-like conformation. (C) 2mFo-DFc and Fo-Fc maps of apigenin site contoured at 1 and 4 sigma respectively. (D) Vacuum electrostatic model of the hydrophobic patch occupied by apigenin.