RNF168 binds DNA DSBs

Stable Identifier
Reaction [binding]
Homo sapiens
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The recruitment of RNF168, an E3 ubiquitin ligase, to DNA double-strand breaks (DSBs) is facilitated by the interaction of RNF168 with the UBE2N:UBE2V2 (UBC13:MMS2) complex, which serves as the E2 ubiquitin ligase for both RNF8 and RNF168. In addition, because the two RNF168 ubiquitin interaction motifs (UIMs) are needed for the accumulation of RNF168 at DSBs, the initial ubiquitination of H2AFX (H2AX) histones by RNF8 is likely involved in RNF168 recruitment to DSBs. Inactivating mutations in both RNF168 alleles are responsible for the RIDDLE (radiosensitivity, immunodeficiency, dysmorphic features and learning difficulties) syndrome (Stewart et al. 2009, Doil et al. 2009, Bekker-Jensen et al. 2010, Campbell et al. 2012, Mattiroli et al. 2012).
Literature References
PubMed ID Title Journal Year
20023648 HERC2 coordinates ubiquitin-dependent assembly of DNA repair factors on damaged chromosomes

Lukas, J, Gromova, I, Rendtlew Danielsen, J, Bartek, J, Nerstedt, A, Lukas, C, Fugger, K, Bekker-Jensen, S, Mailand, N

Nat. Cell Biol. 2010
22589545 Molecular insights into the function of RING finger (RNF)-containing proteins hRNF8 and hRNF168 in Ubc13/Mms2-dependent ubiquitylation

Campbell, SJ, Neculai, D, Leung, CC, Glover, JN, Dhe-Paganon, S, Hodge, CD, Edwards, RA

J. Biol. Chem. 2012
19203578 The RIDDLE syndrome protein mediates a ubiquitin-dependent signaling cascade at sites of DNA damage

Townsend, K, Al-Hakim, AK, Stankovic, T, Taylor, AM, Byrd, PJ, Stewart, GS, Pelletier, L, Oldreive, C, Olivarius, S, Taubenheim, N, Durocher, D, Panier, S, Mendez, M, Wildenhain, J, Nakada, S, Kolas, NK, Miller, ES, Tagliaferro, A, Durandy, A, Ylanko, J

Cell 2009
22980979 RNF168 ubiquitinates K13-15 on H2A/H2AX to drive DNA damage signaling

Sixma, TK, Marteijn, JA, Vissers, JH, Citterio, E, Ikpa, P, Mattiroli, F, van Dijk, WJ, Vermeulen, W

Cell 2012
19203579 RNF168 binds and amplifies ubiquitin conjugates on damaged chromosomes to allow accumulation of repair proteins

Durocher, D, Panier, S, Doil, C, Larsen, DH, Lukas, J, Menard, P, Bartek, J, Pepperkok, R, Lukas, C, Ellenberg, J, Bekker-Jensen, S, Mailand, N

Cell 2009
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