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5 Tips for better immunoprecipitation (IP)

Posted by Christian Linke-Winnebeck on Jul 21, 2016 1:10:15 PM

Pull-down of proteins can be difficult, particularly when they are expressed at low levels. Here we present 5 tips, which will considerably improve your IP results.

 

  1. Protein concentration matters

The higher the protein concentration, the higher the IP yield. Try to use a concentration as high as possible.It makes a significant difference if the concentration of your protein during IP is 1 nM (low protein expression level), about 50 nM (intracellular endogenous protein expression level, will be diluted by buffer for IP) or 1000 nM (high protein concentration).

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Topics: Nano-Trap, Immunoprecipitation, Co-IP, GST pulldown, MBP pulldown

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