Table 3 Assignments of partial IR and Raman bands of protein secondary structures [55,56,57,58]
Secondary structures of proteins | Wavenumber of IR Amide I/cm−1 | Wavenumber of IR Amide III/cm−1 | Wavenumber of Raman Amide III/cm−1 |
|---|---|---|---|
α-helix | 1646–1661 | 1295–1330 | 1260–1340 |
β-turn | 1615–1637 | 1220–1250 | 1270–1310 |
β-sheet | 1665, 1670, 1675, 1683, 1688, 1694 | 1270–1295 | 1220–1265 |
Random coil | 1637–1648 | 1250–1270 | 1230–1260 |