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. Author manuscript; available in PMC: 2014 Feb 1.
Published in final edited form as: Chem Biol Drug Des. 2012 Nov 14;81(2):238–249. doi: 10.1111/cbdd.12068

Figure 18.

Figure 18

Binding site for active IC50 compound 1 &2. Compound 1 (left) binding affinity is contributed to 4 H-bonds to Ser 155 Ala 156 and Arg 116, as shown by the dotted yellow interactions. Compound 2 (right) binding affinity is contributed to Π-stacking interactions between Lys 172, Arg 116 and a H-bond to Gln 115.