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HN CSDs for peptide (RWKCKCKCKWE)2. The β-sheet is highly distorted, and this manifests as an inverted pattern of HN CSDs: larger CSDs are observed for the outwardly-directed non-H-bonded positions (the disulfide positions at C4, C6, C8) rather than the H-bonded positions (especially the presumably-H-bonded K5 and K7 sites).
