alexa A unified view of the DNA-damage checkpoint.
Molecular Biology

Molecular Biology

Journal of Cytology & Histology

Author(s): Melo J, Toczyski D

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Abstract Recent investigation of the DNA-damage checkpoint in several organisms has highlighted the conservation of this pathway. The checkpoint's signal transduction pathway consists of four conserved classes of molecules: two large protein kinases having homology to phosphatidylinositol 3-kinases, three "sensor" proteins with homology to proliferating cell nuclear antigen, two serine/threonine (S/T) kinases, and two adaptors for the S/T kinases. This review compares the role of these four classes of checkpoint proteins in humans and model organisms.
This article was published in Curr Opin Cell Biol and referenced in Journal of Cytology & Histology

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