Catalytic activity:ATP + a protein = ADP + a phosphoprotein.,Domain:Kinase domain 1 is a degenerate kinase domain.,Domain:RWD domain is reported to interact with GCN1L1.,Function:Can phosphorylate the alpha subunit of EIF2 and may mediate translational control.,PTM:Autophosphorylated on threonine residues.,similarity:Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. GCN2 subfamily.,similarity:Contains 1 RWD domain.,similarity:Contains 2 protein kinase domains.,tissue specificity:Widely expressed.,
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