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. Author manuscript; available in PMC: 2013 Jan 1.
Published in final edited form as: Proteins. 2011 Sep 30;80(1):71–80. doi: 10.1002/prot.23162

Figure 2.

Figure 2

Essential side chain – side chain interactions within EC2 and between EC2 and EC3 in the R17 mutant. All hydrogens are omitted. Hydrogen bonds are sketched as thick dashed lines. Labels for the EC3 residues are underlined.