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Nuclear magnetic resonance and conformational energy calculations of repeat peptides of elastin. Conformational characterization of cyclopentadecapeptide cyclo-(L-Val-L-Pro-Gly-L-Val-Gly)3

✍ Scribed by Venkatachalam, C. M.; Khaled, M. A.; Sugano, H.; Urry, D. W.

Book ID
126416922
Publisher
American Chemical Society
Year
1981
Tongue
English
Weight
895 KB
Volume
103
Category
Article
ISSN
0002-7863

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## Abstract The cyclic peptide cyclo[‐L‐Pro‐L‐Leu‐D‐(Gln)Thz‐(Gly)Thz‐L‐Val‐] (1a), which is a diastereomer of the antineoplastic agent dolastatin 3 (1b), and contains the unusual thiazole amino acids, was synthesized. All the peptide bonds of the cyclic peptide 1a are __trans__ in solution, and th