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Mononucleosome binding of GST-PHD: detection by Western blot

Author: Gozani Lab, updated date: , view: 300, Q&A: 0
Tags: Nucleosome, Western blot and Binding Assay


  1. Add 200-400uL of Binding buffer to a 1.5mL microfuge tube.

  2. Add 1 μG of purified mononucleosomes

  3. Add 10 μG of GST-fused protein (whole protein, domain, etc.)

  4. Incubate 4C O/N on rotating platform.

  5. Add 30 μL of 50% Glutathione bead slurry.

  6. Incubate 4C for 1 hour

  7. Wash 3 times with 1mL of 1X binding buffer

  8. Add 50uL of 2X SDS Sample loading buffer to the pelleted glutathione slurry.

  9. Load 15-20uL per lane on a Western blot. Use antibodies against Histone H3 or any modification-specific antibodies of interest.


Binding buffer: 300 mM NaCl, 0.1% NP40, 50mM Tris 7.5, 10% glycerol

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