Identification of phosphosites that alter protein thermal stability
Proteomics has enabled the cataloguing of 100,000s of protein phosphorylation sites 1, however we lack methods to systematically annotate their function. Phosphorylation has numerous biological functions, yet biochemically all involve changes in protein structure and interactions. These biochemical changes can be recapitulated by measuring the difference in stability between the protein and the phosphoprotein. Building on recent work, we present a method to infer phosphosite functionality by reliably measuring such differences at the proteomic scale.
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