Sequential salt extraction of chromatin bound proteins is a useful tool for determining the binding properties of large protein complexes. This method can be employed to evaluate the role of individual subunits or domains in the overall affinity of a protein complex to bulk chromatin.
Porter, E. G., Connelly, K. E., Dykhuizen, E. C. Sequential Salt Extractions for the Analysis of Bulk Chromatin Binding Properties of Chromatin Modifying Complexes. J. Vis. Exp. (128), e55369, doi:10.3791/55369 (2017).