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. Author manuscript; available in PMC: 2014 Dec 31.
Published in final edited form as: Mol Immunol. 2013 Aug 23;56(4):794–803. doi: 10.1016/j.molimm.2013.07.004

Figure 6.

Figure 6

Stereoview of the residues forming the central cavity with the difference map (in green) indicating the presence of an unknown ligand. The difference map is contoured at the 3σ level.