0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
16001610162016301640165016601670168016901700
Absorbance
Wavenumber / cm
-1
resolution enhanced spectrum
α-helix
β-sheet
β-turn
unstructured
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
16001610162016301640165016601670168016901700
Absorbance
Wavenumber / cm
-1
original AMIDE I spectrum of protein 5