alx_bu at yahoo.com wrote: >I have serious doubts that you'd be able to see the 1 kDa difference at 65 >kDa target on the SDS-PAGE (unless you'll make an ultra-extra-big one). I'd >say, the only viable alternative is to do MALDI or other mass-spec opn the >sample. > I bet it is easy. Just run the gel longer. DK