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Helical tilt ranges as a function of residue number. Using simulated Aexp values corresponding to a tilt angle of 15°, helical tilt ranges were found. As can be seen in the figure, some residues result in helical tilt ranges that are much smaller than others, which is due to changes in the residues' orientation with respect to the magnetic field (changing values of αD). Furthermore, a relatively narrow helical tilt range is found within three consecutive residues.
