Extent of Helical Induction Caused by Introducing α-Aminoisobutyric Acid into an Oligovaline Sequence
Author(s) -
Genichiro Tsuji,
Takashi Misawa,
Mitsunobu Doi,
Yosuke Demizu
Publication year - 2018
Publication title -
acs omega
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.779
H-Index - 40
ISSN - 2470-1343
DOI - 10.1021/acsomega.8b01030
Subject(s) - aminoisobutyric acid , valine , sequence (biology) , peptide , helix (gastropod) , crystallography , chemistry , stereochemistry , amino acid , peptide sequence , solid state , biochemistry , biology , gene , ecology , snail
The preferred conformations of a dodecapeptide composed of l-valine (l-Val) and α-aminoisobutyric acid (Aib) residues, Boc-(l-Val-l-Val-Aib) 4 -OMe ( 3 ), were analyzed in solution and in the crystalline state. Peptide 3 predominantly folded into a mixture of α- and 3 10 -( P ) helical structures in solution and a ( P ) α helix in the crystalline state.
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