Alanine containing analogues of cyclo(-d
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H. Kessler; G. Gemmecker; A. Haupt; M. Klein; K. Wagner; M. Will
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Article
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1988
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Elsevier Science
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French
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Six analogues of the cyclic hexapeptide cyclo(-D-Pro-Phe-Thr-Lys(Z)-Trp-Phe-) (1) were synthesized in which each amino acid was substituted by an alanine or Dalanine residue, respectively. Their conformation was determined by two-dimensional NMR-spectroscopy and refined by restraint molecular dynami