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Cell. 2007 May 18;129(4):665-79.

PCNA, the maestro of the replication fork.

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1
Department of Molecular Cell Biology, Max Planck Institute of Biochemistry, Am Klopferspitz 18 82152 Martinsried, Germany.

Abstract

Inheritance requires genome duplication, reproduction of chromatin and its epigenetic information, mechanisms to ensure genome integrity, and faithful transmission of the information to progeny. Proliferating cell nuclear antigen (PCNA)-a cofactor of DNA polymerases that encircles DNA-orchestrates several of these functions by recruiting crucial players to the replication fork. Remarkably, many factors that are involved in replication-linked processes interact with a particular face of PCNA and through the same interaction domain, indicating that these interactions do not occur simultaneously during replication. Switching of PCNA partners may be triggered by affinity-driven competition, phosphorylation, proteolysis, and modification of PCNA by ubiquitin and SUMO.

PMID:
17512402
DOI:
10.1016/j.cell.2007.05.003
[Indexed for MEDLINE]
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