CHEK2 phosphorylates TP53
收藏reactome.org2025-01-15 收录
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CHEK2 (Chk2) phosphorylates TP53 (p53) at serine residue S20 (Hirao et al. 2000, Shieh et al. 2000, Chehab et al. 2000). Phosphorylation of TP53 at serine residue S20 is necessary for DNA damage-induced TP53 stabilization as it compromises the interaction of TP53 with the ubiquitin ligase MDM2 (Chehab et al. 1999, Chehab et al. 2000). S20 phosphorylation is also required for the induction of TP53-dependent transcripts in response to DNA damage (Hirao et al. 2000).
CHEK2(Chk2)在丝氨酸残基S20位点上对TP53(p53)进行磷酸化(Hirao等,2000年,Shieh等,2000年,Chehab等,2000年)。TP53在丝氨酸残基S20位点的磷酸化对于DNA损伤诱导的TP53稳定性的实现至关重要,因为它削弱了TP53与泛素连接酶MDM2的相互作用(Chehab等,1999年,Chehab等,2000年)。S20位点的磷酸化对于DNA损伤后诱导TP53依赖性转录物也是必需的(Hirao等,2000年)。
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