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. Author manuscript; available in PMC: 2015 Jun 3.
Published in final edited form as: Supramol Chem. 2013 Aug 21;25(9-11):586–590. doi: 10.1080/10610278.2013.817581

Figure 1.

Figure 1

Common super-secondary structural motifs, with the focus of this work – the α-α hairpin, highlighted. Bottom right: an omega angle of 20° between two α-helices.