Article
Cdc2 tyrosine phosphorylation is not required for the S-phase DNA damage checkpoint in fission yeast.
Cell cycle (Georgetown, Tex.) - 1 Nov 2006
Kommajosyula Naveen, Rhind Nicholas
Abstract excerpt
The S-phase DNA damage checkpoint slows replication when damage occurs during S phase. Cdc25, which activates Cdc2 by dephosphorylating tyrosine-15, has been shown to be a downstream target of the checkpoint in metazoans, but its role is not clear in fission yeast. The dephosphorylation of Cdc2 has been assumed not to play a role in S-phase regulation because cells replicate in the absence of Cdc25, demonstrating...
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