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. 2004 Jul 14;101(30):10967–10972. doi: 10.1073/pnas.0404050101

Fig. 1.

Fig. 1.

The change in ESF (δESF) resulting from amino acid substitution, plotted against residue number. The host peptide is a nine-residue alanine peptide, and the substitution is Ala→ Val at residue 5. The units of ESF are kcal/mol. At all residues except the substitution site, the alanine host peptide has the extended β backbone conformation (φ, ψ = –120°, 120°). At the substitution site, the residue (either Ala or Val) has either the extended β or an approximate PPII (φ, ψ = –70°, 150°) conformation.