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Structure of the macrocycle thiostrepton solved using the anomalous dispersion contribution of sulfur
C S Bond1, M P Shaw, M S Alphey
1The Wellcome Trust Biocentre, University of Dundee, Dundee DD1 5EH, Scotland, UK.
Abstract:
The structure of a tetragonal crystal form of thiostrepton has been solved using the anomalous dispersive effects of five S atoms from high-redundancy data collected to 1.33 A resolution at the Cu Kalpha wavelength. Data measured to 1.02 A resolution with a synchrotron source were used for refinement. Details of the molecular structure, intramolecular and intermolecular interactions are given.