Did anybody mention native gel electrophoresis to select suitable HA ions? Worked for us really nicely in a situation were speed was essential.
Here's a reference: PMID 14646083 Klaus ======================================================================= Dr. Klaus Fütterer Room 717, Biosciences Tower School of Biosciences P: +44-(0)-121-414 5895 University of Birmingham F: +44-(0)-121-414 5925 Edgbaston E: k.futte...@bham.ac.uk Birmingham, B15 2TT, UK W: http://tinyurl.com/futterer-lab ======================================================================= On 15 Jan 2014, at 20:49, Matthew Franklin wrote: > Hi Rhys - > > Don't forget to try sulfur-SAD, especially the multi-crystal version > published recently: > > http://journals.iucr.org/d/issues/2013/07/00/ba5189/index.html > > This seems well suited to your situation. > > - Matt > > > On 1/15/14 12:18 PM, RHYS GRINTER wrote: >> Hello message board, >> >> My group has some crystals of an interesting protein to take to the >> synchrotron in a couple of weeks. We won't be able to prepare and >> crystallise a SelMet derivative during that time period, but we have loads >> of crystals sitting around. The diffraction isn't great, we see maybe 3.5 at >> home but might be enough to get over the line. >> It will be a very difficult MR target, so we were thinking of soaking so >> crystals with heavy atomic compounds that we have lying around. I was >> wondering if people had any suggestions of compounds that people have used >> successfully for experimental phasing and maybe concentrations to use and >> soaking time. >> >> Cheers, >> >> Rhys >> > > > -- > Matthew Franklin, Ph. D. > Senior Scientist > New York Structural Biology Center > 89 Convent Avenue, New York, NY 10027 > (212) 939-0660 ext. 9374