TP53 (p53) forms a complex with a protein kinase HIPK1 (Kondo et al. 2003, Rey et al. 2013). HIPK1 may phosphorylate TP53 on an unidentified serine residue (Kondo et al. 2003). Binding to HIPK1 has been implicated in the negative regulation of TP53 activity (Kondo et al. 2003), but HIPK1 overexpression has also been implicated in the positive regulation of TP53 activity (Rey et al. 2013).
Kondo, S, Lu, Y, Debbas, M, Lin, AW, Sarosi, I, Itie, A, Wakeham, A, Tuan, J, Saris, C, Elliott, G, Ma, W, Benchimol, S, Lowe, SW, Mak, TW, Thukral, SK
Rey, C, Soubeyran, I, Mahouche, I, Pedeboscq, S, Bessede, A, Ichas, F, De Giorgi, F, Lartigue, L
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