NUAK1, activated by STK11 (LKB1)-mediated phosphorylation on threonine residue T211, phosphorylates TP53 (p53) on serine residues S15 and S392, contributing to TP53-mediated transcriptional activation of the CDKN1A (p21) gene (Zeng and Berger 2006, Hou et al. 2011).
Liu, JE, Liu, ZY, Liu, W, Sun, ZY, Liu, CY, Hou, X
protein serine/threonine kinase activity of TP53 Tetramer:STK11:p-T211-NUAK1 [nucleoplasm]
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