More question about gel-shift assay

Christian Velten cve at
Mon Jun 24 05:33:10 EST 1996

In article <3DIJ99$xL1 at>,
klebs.bbs at (Leo) wrote:

> It always yielded
>  a smear pattern. When you increase the  protein concentration,
>  the DNA/protein complex just stuck in the wells.

500 bp is a pretty large probe. Try decreasing the acrylamide percentage
of your gel. This solved my "smear" problem. You could also try a 0.5x TBE
running buffer.


--      "Two bands or not two bands? - THAT is the question!"

Christian Velten
Institute for Molecular Biology              cve at
Medical School Hannover                      Compuserve:100736,2071
OE 5250, Konstanty-Gutschow-Straße 8         Tel.: 0511/532-5957
D-30623 Hannover, Germany                    Fax:  0511/532-4283

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