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. Author manuscript; available in PMC: 2010 Jul 29.
Published in final edited form as: J Am Chem Soc. 2009 Jul 29;131(29):9860–9861. doi: 10.1021/ja8099294

Figure 2.

Figure 2

(a) 2.0 Å x-ray crystal structure of α/β-peptide βad shown as cartoon helices displaying amino acid side chains (PDB code: 3F86). β3-amino acids are shown in cyan, α-amino acids are shown in yellow. (b) Single layer of βad hydrophobic core residues fit into 2FO-FC electron density at a map level of 1.2 σ.