Does anyone have some experiences to purify insoluble GST-fusion
protein? I tried to purify GST-fusion protein recently, but it looks
that the protein did not bind to the beads, I did coommassie stain and
western blotting and results show the protein was expressed. I purified
the same protein last year although the fusion protein degraded
partially. In the cell suspension 1M DTT and 10% Sarkosyl were added
before sonication, 10% Triton X-100 was added after sonication, the
final concentrations are: 0.7% Sarkosyl, 2% Triton X-100 and 5mM DTT.
Thanks a lot!
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