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. Author manuscript; available in PMC: 2015 Sep 22.
Published in final edited form as: J Phys Chem B. 2009 Mar 19;113(11):3565–3571. doi: 10.1021/jp809810z

Figure 1.

Figure 1

a) Formation of hydrogen-bond surrogate (HBS) derived α helices by replacement of a main-chain hydrogen bond with a carbon–carbon bond. b) HBS a helix and recognition of Bcl-xL (green) with Bak BH3 a helix (yellow); PDB code: 1BXL. c) Sequence of the unconstrained Bak BH3 peptide 1. d) Structures of HBS Bak a helices 2a and 2b.