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. Author manuscript; available in PMC: 2011 Sep 6.
Published in final edited form as: Chem Biol Interact. 2010 Feb 4;187(1-3):10–22. doi: 10.1016/j.cbi.2010.01.042

Figure 14.

Figure 14

Packing of two rhAChE dimers. Each dimer consists of two AChE catalytic subunits (A in orange and B in blue), which are related by the 2-fold NCS axis shown in Fig. 13. A surface loop (residues 489–499, green balls-and-sticks) of subunit A interacts with the PAS of subunit B from a symmetry-related dimer. Since the blue subunits have no adjacent PAS to interact with, their corresponding loops are disordered, as is the case in many other AChE structures.