Dual-specific autophosphorylation of kinase IKK2 enables phosphorylation of substrate IκBα through a phosphoenzyme intermediate
P. Borar, T. Biswas, A. Chaudhuri…·S. Polley
This study identifies dual-specific autophosphorylation in IKK2, showing tyrosine autophosphorylation and ATP-contacting residue K44 regulate substrate specificity for IκBα phosphorylation during NF-κB activation.