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Protein Kinase Balpha(PKBalpha, or Akt1) is believed to play a crucial role in programmed cell death, cancer progression and the insulin-signaling cascade. The protein is activated by phosphorylation at multiple sites and subsequently phosphorylates and activates eNOS. Free cysteine residues of the protein may capture reactive, endogenously produced nitric(More)
Reversible phosphorylation of proteins functions as a biological switching network for activation and inhibition of downstream biological processes. Since phosphorylations of these sites are often transient processes, and hence sub-stoichiometric, systematic characterization of phosphorylation sites is a formidable challenge. In this work, a new approach(More)
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