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. 1978 Dec;24(3):815–832. doi: 10.1016/S0006-3495(78)85422-8

The quantitation of nuclear Overhauser effect methods for total conformational analysis of peptides in solution. Application to gramicidin S.

C R Jones, C T Sikakana, S Hehir, M C Kuo, W A Gibbons
PMCID: PMC1473502  PMID: 83886

Abstract

The [1H:1H] nuclear Overhauser effects (NOE's) and spin-lattice relaxation times (T1's) are reported for the backbone protons of the decapeptide gramicidin S. Several methods for calculating interproton distances from these measurements are presented. Ratios of interproton distances were obtained from [1H:1H] NOE's and from the combination of [1H:1H]NOE'S and T1 values. Actual proton-proton distances were calculated from these ratios either by using the known distance between two geminal protons or distances derived from scalar coupling constants. The interproton distances calculated for gramicidin S are consistent with a II' beta-turn/antiparallel beta-sheet conformation.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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