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Stereoview of a family of superimposed structures from NMR-restrained MD simulations for cyclic peptides (A) cAQ and (B) cIL. The residues which are involved in the β-turn conformation are labeled. (C) Overlay of the β-turn region of cAQ (R5K6E7K8) with the β-turn region of the crystal structure of hCD2. (D) Overlay of the β-turn region (Y3-D4-T5-K6) of cIL with the β-turn region (D87-T88-K89-G90) of the crystal structure of hCD2.
