Figure 1.

Schematic illustration of native geometries studied. (a) the Trp-cage, (b) an α-helix, (c) a β-hairpin, (d) a three-stranded β-sheet, (e) an α-helix dimer (1U2U), (f) a three-helix bundle (1LQ7), and (g) a mixed α/β protein (2GJH).

Irbäck et al. PMC Biophysics 2009 2:2   doi:10.1186/1757-5036-2-2
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