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The 310 helical conformation of a pentapeptide containing ?-aminoisobutyric acid (Aib): X-ray crystal structure of Tos?(Aib)5?OMe

✍ Scribed by Shamala, Narayanaswamy; Nagaraj, Ramakrishnan; Balaram, Padmanabhan

Book ID: 121268039
Publisher: The Royal Society of Chemistry
Year: 1978
Tongue: English
Weight: 191 KB
Volume: 22
Category: Article
ISSN: 0022-4936
DOI: 10.1039/C39780000996

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As models of the helical N-terminal part of alamethicin the undecapeptides Boc-L-Ala-[Aib-Ala]2-Glu(0Bzl)-Ala-[Aib-Ala],-OMe (1) and Boc-~-Ala-[Aib-Ala]~-Gly-Ala-[Aib-Ala]~-OMe (2) were synthesized. 1 was examined by X-ray crystallography using direct methods for solution of the phase problem. The u