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. Author manuscript; available in PMC: 2017 Nov 1.
Published in final edited form as: Structure. 2016 Sep 22;24(11):1928–1935. doi: 10.1016/j.str.2016.08.013

Figure 5. Schematic diagrams showing topology of T4 gp21 (left) and the pseudorabies herpesvirus protease (right).

Figure 5

β–strands are represented by arrows, and α-helices are represented by cylinders. The C-terminal helical region of the pseudorabies virus protease, absent in gp21, is outlined by a grey rectangle.