Effect of the mutations in Lmod2s1 on unfolding of its complex with αTM1a _1–14 Zip. Representative measurements for the complexes with mutated Lmod2s1, showing the temperature dependence of the ellipticity at 222 nm measured for mixtures of αTM1a_1–14Zip with WT (Δ) or mutated (■) Lmod2s1.