> > > hi sreetama, > if ur protein is making aggregates during crystallization try to add glycerol, EDTA in Ur buffer. R u purifying ur protein from Gelfiltration column ?is ur protein is coming in proper place? if every thing is right then u can try DTT and TCEP in ur buffer instead of Beta mercaptoethanol. for one of my crystallization experiment i used 1- 10 mM of Beta mercaptoethanol.
-- vandana kukshal CSIR-senior research fellow X ray lab ,MSB division central drug research institute lucknow -- Vandana Kukshal Postdoc Fellow structure biology group international Center For Genetic Engineering and Biotechnolgy Aruna Asaf Ali Marg 110 067 New Delhi INDIA