To date few DDK substrates other than the MCM helicase have been identified, and none are implicated in fork protection or restart. Here we searched for such factors, using SILAC and quantitative mass spectrometry to identify the DDK phosphoproteome during fork stalling.
Spindle assembly checkpoint (SAC) regulators such as the Mps1 kinase not only delay anaphase onset, but also correct improper chromosome-spindle linkages that would otherwise lead to missegregation and aneuploidy. However, the substrates and mechanisms involved in this pathway of error correction re...
