Those don't look like DDM crystals I've seen, but the diffraction pattern does not look much like protein diffraction either. Which things from the picture did you shoot--the rods/needles?
Jacob On Fri, Apr 27, 2012 at 5:07 AM, 于洪军 <hongju...@moon.ibp.ac.cn> wrote: > > Hi, > > I am trying to screen crystals of membrane protein in DDM solutions. I got > crystals and its diffraction pattern as I enclosed. Membrane protein > crystallization seems quite different from soluble protein. The condition > contains PEG400. I learn from other topic here that PEG400 can easily > produce DDM detergent crystals. Is it detergent crystal ? Can I tell this > from the diffraction pattern? Advices would be greatly appreciated. Thank > you. > > > Hongjun > -- ******************************************* Jacob Pearson Keller Northwestern University Medical Scientist Training Program email: j-kell...@northwestern.edu *******************************************