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Figure 2.
Comparison of the GCN4-pLI side chain sequence on four
different backbone patterns. (A) Helix bundle quaternary
structures of each derivative with yellow and blue indicating
α- and β^3-residues, respectively. (B) Helical secondary
structures of each α/β-peptide 2–4 (red) compared with
that of α-peptide 1 (yellow); the overlays and accompanying
RMSD values are based on C[α] atoms in shared α-residues. The
coordinates for 1 (PDB: 1GCL) (21) and 2 (PDB: 2OXK) (14) were
obtained from previously published structures.
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