This folded N- and C-protected tripeptide is stabilized by a (peptide) N-H...O=C (urethane) intramolecular hydrogen bond which closes a ten-membered ring. This results in a beta-turn structure that can be classified as type I on the basis of the phi, psi conformational angles for the L-(alphaMe)Phe1 and L-Ala2 residues. The chi1 side-chain conformational angle for the L-(alphaMe)Phe residue is gauche+.
Structure of Z-l-(alpha-me)phe-(l-ala)2-ome Monohydrate
FORMAGGIO, FERNANDO;TONIOLO, CLAUDIO;
1993
Abstract
This folded N- and C-protected tripeptide is stabilized by a (peptide) N-H...O=C (urethane) intramolecular hydrogen bond which closes a ten-membered ring. This results in a beta-turn structure that can be classified as type I on the basis of the phi, psi conformational angles for the L-(alphaMe)Phe1 and L-Ala2 residues. The chi1 side-chain conformational angle for the L-(alphaMe)Phe residue is gauche+.File in questo prodotto:
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