Which one of the following correctly describes the spectroscopic experiment that would help distinguish between a α helix, a 310 helix and a π helix?
1
Near UV absorption spectrum between 250‐300 nm
2
Fluorescence emission spectra between 350‐400 nm
3
1H NMR spectroscopy involving Hydrogen/Deuterium exchange
4
Near UV Circular Dichroism spectrum between 250‐300 nm