Nagaraj, R. ; Shamala, N. ; Balaram, P. (1979) Stereochemically constrained linear peptides. Conformations of peptides containing α -aminoisobutyric acid Journal of the American Chemical Society, 101 (1). pp. 16-20. ISSN 0002-7863
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Official URL: http://pubs.acs.org/doi/abs/10.1021/ja00495a003
Related URL: http://dx.doi.org/10.1021/ja00495a003
Abstract
1H NMR studies of the protected α-aminoisobutyric acid containing peptides Z-Aib-Pro-Aib-Ala-OMe and Z-Aib-Pro-Aib-OMe suggest that these molecules adopt well-defined conformations in solution. Evidence for type III β-bend structures is presented and an incipient 310 helical conformation is proposed for the tetrapeptide. The interpretation of the NMR data is further substantiated by the crystal structure of the tetrapeptide. which shows two consecutive type III β bends in the solid state.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 4125 |
| Deposited On: | 13 Oct 2010 07:04 |
| Last Modified: | 11 May 2012 09:54 |
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