The invention involves a method for measuring phosphorylation of proteins at specific sites and, as such, is an indicator of the protein kinase activity of enzymes capable of phosphorylating those sites. The method involves the in vitro or in vivo phosphorylation of a target protein at a specific serine,...http://www.google.ca/patents/US8114617?utm_source=gb-gplus-sharePatent US8114617 - Method for quantifying phosphokinase activity on proteins
