Padyana AK, Ramakumar S, Mathur P, Jagannathan NR, Chauhan VS. Role of a two-residue spacer in an alpha,beta-Didehydrophenylalanine containing hexapeptide: crystal and solution structure of Boc-val-deltaPhe-Leu-Ala-deltaPhe-Ala-OMe. J Pept Sci. 2003 Jan;9(1):54–63. doi: 10.1002/psc.432. PMID: 12587883.
Role of a two-residue spacer in an alpha,beta-Didehydrophenylalanine containing hexapeptide: crystal and solution structure of Boc-val-deltaPhe-Leu-Ala-deltaPhe-Ala-OMe