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. Author manuscript; available in PMC: 2012 Aug 17.
Published in final edited form as: J Am Chem Soc. 2011 Jul 22;133(32):12350–12353. doi: 10.1021/ja2033734

Table 1.

Fit of most appropriate conformers of mimics A, 1, and 3 on secondary structures (based on QMD analyses).a

structure seq. A 1 3

ΔG rmsd ΔG rmsd ΔG rmsd
310-helix i-i+1 2.55 0.22 2.09 0.55
i-i+2 1.66 0.28 2.43 0.25
i-i+3 1.27 0.49

α-helix i-i+1 2.00 0.47 2.09 0.50
i-i+2 1.62 0.25 2.55 0.30
i-i+3 0.73 0.14
i-i+4 1.27 0.18

π-helix i-i+1 2.55 0.14 2.09 0.54
i-i+2 1.63 0.33 2.99 0.30
i-i+3 2.43 0.31
i-i+4 0.85 0.35
i-i+5 1.27 0.27

β-strand i-i+1 2.24 0.46
i-i+2 1.19 0.19

β-sheet (parallel) i-i+1 1.01 0.10
i-i+2 2.55 0.20

sheet/β-turn/sheet i-i+1 0.19 0.23 2.25 0.49
i-i+2 1.19 0.12
i-i 2.74 0.27
i-i′ +1 0.59 0.08
i-i′ +2 0.81 0.18
it-i+1 1.38 0.09
i-it 0.14 0.06 0.75 0.25
it-it′ +1 1.00 0.42
a

All RMSD values (Å) are for the conformers (within 3.0 kcal/mol of the minimum energy) that overlay on the secondary structures shown (ΔG values are in kcal/mol). See supporting for secondary structure templates.