Title : KA1-targeted regulatory domain mutations activate Chk1 in the absence of DNA damage.

Pub. Date : 2015 Jun 3

PMID : 26039276






2 Functional Relationships(s)
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Compound Name
Protein Name
Organism
1 The Chk1 protein kinase is activated in response to DNA damage through ATR-mediated phosphorylation at multiple serine-glutamine (SQ) residues within the C-terminal regulatory domain, however the molecular mechanism is not understood. Serine checkpoint kinase 1 Homo sapiens
2 Cell cycle arrest induced by selected Chk1-CA mutants depends on kinase catalytic activity, which is increased several-fold compared to wild-type, however phosphorylation of the key ATR regulatory site serine 345 (S345) is not required. Serine checkpoint kinase 1 Homo sapiens