Hi Alison, You wrote: > We recently collected a complete 2.5A MAD dataset. However, finding a > solution has not been as straightfoward for reasons unclear to us. Is there radiation damage in one or more of the later sets? Did you try 1 or 1.5 wavelength? (See Dauter, /Acta Cryst./ (2002). D*58*, 1958) Best wishes, Bram ---------------------------------------------------------------------------- *Bram Schierbeek* Application Scientist Structural Biology Bruker AXS B.V. Oostsingel 209, P.O.Box 811 2600 AV Delft, the Netherlands Tel.: +31 (15) 2152508 Fax: +31 (15)2152599 [log in to unmask] _www.bruker-axs.com_ <www.bruker-axs.de> ----------------------------------------------------------------------------