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Protein serine-threonine kinase casein kinase II (CK2) is involved in a myriad of cellular processes including cell growth and proliferation through its phosphorylation of hundreds of substrates, yet how CK2 function is regulated is poorly understood. Here we report that the CK2 catalytic subunit CK2α is modified by O-linked β-N-acetyl-glucosamine(More)
Quantitative determination of dissociation constants for DNA-protein complexes will help clarify the molecular mechanisms of transcription, replication and DNA repair. A practical capillary electrophoresis mobility shift assay (CEMSA) for protein-DNA affinities free in solution is presented. The method is fast and simple, precise and general. The speed (<2(More)
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