Published in Cancer Weekly, May 6th, 2008
"Using full-length recombinant proteins, we now provide evidence that these proteins physically interact. BLM interacts with checkpoint kinase (Chk) 1 via the kinetochore-binding domain (KBD). Wild-type (WT) Chk1 phosphorylates 53BP1 in the KBD, both in vitro and in vivo during replication stress. Chk1-mediated phosphorylation of 53BP1 enhances its binding to...
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