MDC1 interacts with TOPBP1 to maintain chromosomal stability during Mitosis by Leimbacher, P-A, Jones, SE, Shorrocks, A-MK, De Marco Zompit, M, Day, M, Blaauwendraad, J, Bundschuh, D, Bonham, S, Fischer, R, Fink, D, Kessler, BM, Oliver, AW, Pearl, LH, Blackford, AN, Stucki, M