The objective of this protocol is to label, enrich, and identify substrates of protein kinase CK2 from a complex biological sample such as a cell lysate or tissue homogenate. This method leverages unique aspects of CK2 biology for this purpose.
Chojnowski, J. E., McMillan, E. A., Strochlic, T. I. Identification of Novel CK2 Kinase Substrates Using a Versatile Biochemical Approach. J. Vis. Exp. (144), e59037, doi:10.3791/59037 (2019).