Regulation of Casein Kinase 2 by Direct Interaction with Cell Surface Receptor CD5

Abstract excerpt

The transmembrane protein CD5, expressed on all T cells and the B1 subset of B cells, modulates antigen receptor-mediated activation. We used the yeast two-hybrid system to identify proteins that interact with its cytoplasmic domain and play a role in CD5 proximal signaling events. We found that the beta subunit of the serine/threonine kinase casein kinase 2 (CK2) interacts specifically with the cytoplasmic...

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