Top, Difference spectra of Cor47, Lti29, and Lti30 in 50% glycerol. Bottom, Difference spectra of Cor47, Lti29, and Lti30 in 50% of the strong helical inducer TFE. The results indicate that the effects of both glycerol and TFE reflect the intrinsic helical propensity of the dehydrin sequences.