A. Denaturing elution
1. Place the tube (from step 7 in "Immunoprecipitation of Target Antigen") on the
magnet and remove the supernatant.
2. Add 20 µL Elution Buffer, and 10 µL premixed NuPAGE® LDS Sample Buffer and
NuPAGE® Sample Reducing Agent (mixed as per manufacturer’s instructions).
3. Gently pipette to resuspend the Dynabeads®-Ab-Ag complex.
4. Heat for 10 min at 70ºC.
5. Place the tube on the magnet and load the supernatant/sample onto a gel.
Note: As an alternative, the Dynabeads®-Ab-Ag complex can be resuspended in a
sample buffer of your choice (e.g. SDS sample buffer). Follow the recommended
temperatures and heating times for these buffers prior to gel loadi ng.
B. Non-denaturing elution
1. Place the tube (from step 7 in "Immunoprecipitation of Target Antigen") on the
magnet and remove the supernatant.
2. Add 20 µL Elution Buffer and gently pipette to resuspend the Dynabeads®-Ab-Ag
complex. Avoid foaming.
3. Incubate with rotation for 2 min at room temperature to dissociate the complex.
4. Place the tube on the magnet and transfer the supernatant containing eluted Ab
and Ag to a clean tube. If the eluted protein is to be used for functional assays or
stored, the pH of the eluate can be adjusted by adding 1 M Tris, pH 7.5.