Catalytic activity:ATP + [tau protein] = ADP + [tau protein] phosphate. ,enzyme regulation:Inhibited when phosphorylated by AKT1. ,Function:Participates in the Wnt signaling pathway. Implicated in the hormonal control of several regulatory proteins including glycogen synthase , MYB and the transcription factor JUN. Phosphorylates JUN at sites proximal to its DNA-binding domain , thereby reducing its affinity for DNA. Phosphorylates MUC1 in breast cancer cells , and decreases the interaction of MUC1 with CTNNB1/beta-catenin. ,PTM:Phosphorylated by AKT1 and ILK1. ,similarity:Belongs to the protein kinase superfamily. ,similarity:Belongs to the protein kinase superfamily. CMGC Ser/Thr protein kinase family. GSK-3 subfamily. ,similarity:Contains 1 protein kinase domain. ,subunit:Monomer (By similarity) . Interacts with CABYR , MUC1 , NIN and PRUNE. ,tissue specificity:Expressed in testis , thymus , prostate and ovary and weakly expressed in lung , brain and kidney. ,
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