electronic reprint Acta Crystallographica Section D Biological Crystallography ISSN 0907-4449 SAD phasing with triiodide, softer X-rays and some help from radiation damage Gwyndaf Evans, Maurizio Polentarutti, Kristina Djinovic Carugo and G´ erard Bricogne Copyright © International Union of Crystallography Author(s) of this paper may load this reprint on their own web site provided that this cover page is retained. Republication of this article or its storage in electronic databases or the like is not permitted without prior permission in writing from the IUCr. Acta Cryst. (2003). D59, 1429–1434 Evans et al. I-SAD with softer X-rays