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. Author manuscript; available in PMC: 2014 Jun 5.
Published in final edited form as: J Am Chem Soc. 2013 May 23;135(22):8149–8152. doi: 10.1021/ja403319q

Figure 3.

Figure 3

Four-helix bundles formed by 6 (left, PDB 4HJB) and 7 (right, PDB 4HJD), as determined via x-ray crystallography; β and γ residues are highlighted in purple. Sequences of GCN4-pLI and α + α/β/γ-chimeric peptides 6 and 7 and structures of β- and γ-residues.