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The structure of cyclolinopeptide A in chloroform refined by RDC measurements



Three-dimensional structures of molecules traditionally assigned from nuclear Overhauser effects and vicinal coupling constants are recently complemented by measurements of residual dipolar couplings. Residual dipolar couplings measured in a stretched poly(dimethylsiloxane) gel were used to determine the structure of cyclolinopeptide A in chloroform solution at −50 °C. After structure refinement, conformational details of main cluster were discussed in relation to crystal and nuclear Overhauser effect derived structures. Copyright © 2014 European Peptide Society and John Wiley & Sons, Ltd.