Please use this identifier to cite or link to this item: http://nopr.niscair.res.in/handle/123456789/730
Title: N and N+1 cap positional effects of (D) alanine in the 310 type helical model peptide Boc-(D)Glu-Ala-Ala-Lys-NHMe
Authors: Bobade, V D
Mhaske, P C
Keywords: 3₁₀ Helix
II’ turn
Reverse turn
D amino acids
NMR studies
Issue Date: Oct-2007
Publisher: CSIR
Abstract: The N (Ala₂) and N+1(Ala₃) cap positional alanine in the 3₁₀ helical model peptide Boc-(D)Glu₁-Ala₂-Ala₃-Lys₄-NHMe, 2 is substituted with a (D)alanine. An NMR enquiry using solvents that promote appreciable ordering of peptide 2, against random conformation of the parent (L)Glu₁ peptide 1, establishes that D alanine partially disorders the type II’ turn templated 3₁₀ type helical fold and distorts it in a position dependent manner, more strongly from N cap position than from N+1 cap position.
Description: 1679-1685
URI: http://hdl.handle.net/123456789/730
ISSN: 0376-4699
Appears in Collections:IJC-B Vol.46B(10) [October 2007]

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