RNF8 is an E3 ubiquitin ligase that, through its FHA domain, binds MDC1 phosphorylated at T-Q-X-F (Thr-Gln-X-Phe) sites by ATM. The phosphorylation of at least four T-Q-X-F sites of MDC1 (T699, T719, T752, T765) increases RNF8 binding to MDC1 (Kolas et al. 2007). RNF8 functions as a homodimer formed by interactions of the RNF8 coiled-coil domains (Cambell et al. 2012).
Campbell, SJ, Edwards, RA, Leung, CC, Neculai, D, Hodge, CD, Dhe-Paganon, S, Glover, JN
Kolas, NK, Chapman, JR, Nakada, S, Ylanko, J, Chahwan, R, Sweeney, FD, Panier, S, Mendez, M, Wildenhain, J, Thomson, TM, Pelletier, L, Jackson, SP, Durocher, D
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