In article <3929662D.5510EBA3 at stanford.edu>, Savita Shah
<spshah at stanford.edu> wrote:
> (I normally ppt proteins with 10% TCA, wash with
> 80% Acetone,
This is sometimes a bad idea. TCA is a potent dehydrating substace.
Proteins that are hydrophilic may not go back into solution following TCA
precipitation. I prefer to do phenol:ether extraction and lyophilize the
samples.
Peter