Article
Relevance of simultaneous mono-ubiquitinations of multiple units of PCNA homo-trimers in DNA damage tolerance.
PloS one - 1 Jan 2015
Kanao Rie, Masuda Yuji, Deguchi Saori, Yumoto-Sugimoto Mayumi, Hanaoka Fumio, Masutani Chikahide
Abstract excerpt
DNA damage tolerance (DDT) pathways, including translesion synthesis (TLS) and additional unknown mechanisms, enable recovery from replication arrest at DNA lesions. DDT pathways are regulated by post-translational modifications of proliferating cell nuclear antigen (PCNA) at its K164 residue. In particular, mono-ubiquitination by the ubiquitin ligase RAD18 is crucial for Polη-mediated TLS. Although the...
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