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Far-UV CD spectra of KKP, IPK, IPR, Tat1 and Tat2 peptides shown in molar residue ellipticity (MRE) units. Inset: temperature dependence of Tat1 MRE was indicative for the presence of PP2 conformation. Spectra were recorded in 0.02 M phosphate buffer pH 6.7 or in water (Tat peptides).
