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. Author manuscript; available in PMC: 2013 May 15.
Published in final edited form as: Biochemistry. 2012 May 1;51(19):4035–4048. doi: 10.1021/bi300378n

Figure 3.

Figure 3

Alternative conformation for Lys-228 and its accompanying water. The green stick model and water represent the alternative positions. Hydrogen bonds are represented by the dashed lines. The electron density map is contoured at about 1 σ above the mean.