Table 1. Fraction of Alpha-Helical Conformations Measured by α-Helical Hydrogen Bonds (HB), Backbone Dihedrals (PP), and DSSP Algorithm^a.

system	HB	PP	DSSP
ALA5 h	0.026 ± 0.006	0.090 ± 0.005
ALA5 e	0.032 ± 0.006	0.096 ± 0.004
ALA5 h+e	0.029 ± 0.004	0.093 ± 0.003
ALA8 h	0.060 ± 0.021	0.117 ± 0.019	0.04
ALA8 e	0.068 ± 0.020	0.122 ± 0.016	0.05
ALA8 h+e	0.063 ± 0.014	0.119 ± 0.012	0.05
ALA15 h	0.219 ± 0.132	0.254 ± 0.112	0.21
ALA15 e	0.278 ± 0.116	0.306 ± 0.099	0.27
ALA15 h+e	0.249 ± 0.087	0.280 ± 0.075	0.24
ALA21 h	0.590 ± 0.099	0.584 ± 0.085	0.58
ALA21 e	0.585 ± 0.151	0.578 ± 0.131	0.60
ALA21 h+e	0.588 ± 0.090	0.581 ± 0.078	0.59
(AAQAA)3 h	0.236 ± 0.099	0.270 ± 0.086	0.23
(AAQAA)3 e	0.198 ± 0.083	0.237 ± 0.073	0.19
(AAQAA)3 h+e	0.217 ± 0.065	0.254 ± 0.057	0.21
KR1 h	0.046 ± 0.023	0.056 ± 0.027	0.06
KR1 e	0.057 ± 0.030	0.070 ± 0.039	0.04
KR1 h+e	0.052 ± 0.018	0.063 ± 0.020	0.05

^aSee the “Materials and Methods” section for details. Averaged results for the two probed trajectories in the case of each peptide are highlighted in light gray. ALA_n results are from ref (4).