Seetharama Jois, D. S. ; Easwaran, K. R. K. ; Bednarek, Maria ; Blout, E. R. (1992) Conformational and ion binding properties of a cyclic octapeptide, cyclo(Ala-Leu-Pro-Gly)2 Biopolymers, 32 (8). pp. 993-1001. ISSN 0006-3525
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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/bip.360...
Related URL: http://dx.doi.org/10.1002/bip.360320810
Abstract
The conformation and ion-binding characteristics of a cyclic octapeptide, cyclo(Ala-Leu-Pro-Gly)2, in a liphophilic solvent, acetonitrile, have been studied using CD and nmr spectroscopy. The peptide binds preferentially to divalent cations such as calcium, magnesium, and barium. The conformations of the free cyclic peptide and its calcium complex are very similar with well-defined β- and γ-turns. The cyclic peptide readily forms equimolar and possibly 2 : 1 (peptide:cation) complexes with divalent cations.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to John Wiley and Sons, Inc. |
| ID Code: | 11053 |
| Deposited On: | 09 Nov 2010 04:13 |
| Last Modified: | 31 May 2011 08:52 |
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