TABLE 1.

The assignments of amide I band positions in FTIR spectra to secondary structures.

Secondary Structure	Band Position in H2O/cm–1	Band Position in D2O/cm–1
α-helix	1648–1657	1648–1658
Disordered	1642–1655	1640–1650, 1663–1668
β-sheet	1620–1639	1617–1640
Anti-parallel β-sheet	1676–1695	1680–1696
β-turn	1660–1695	1665–1696