## Synopsis The strategy and tactics of conformational analysis of cyclic peptides in solution is demonstrated by the example of cyclo(-D-Pro-Phe-TPhe-TYp-Phe-). Spin-locked experiments like rotating frame nuclear Overhauser enhancement spectroscopy (ROESY), ROTO, and TOCSY are successfully applie
Conformations of cyclic peptide/calcium complexes in solution
β Scribed by Donald W. Hughes; Charles M. Deber
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1982
- Tongue
- English
- Weight
- 763 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0006-3525
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π SIMILAR VOLUMES
The 'H-nmr spectra (270 MHz) of cyclic di-and tri-~-azetidine-2-carboxylic acid [cyclo(L-Aze)z and cyclo(~-Aze)a] were determined in CDCls and DzO and computer simulated. The spectral results were compared with those obtained with cyclo(L-Pro)z and cyclo(L-Pro)3. In CDC13 and D20 solutions, the four
bonds have been carried out in different solvents to investigate the formation and stabilization of @-turn structures and to determine the stereochemistry of the disulfide linkage. Both peptides have three-dimensional structures with a type I1 P-turn, as derived from quantitative nuclear Overhauser