Abstract
In all organisms from bacteria and archaea to eukarya, single-stranded DNA binding proteins play an essential role in most, if not all, nuclear metabolism involving single-stranded DNA (ssDNA). Replication protein A (RPA), the major eukaryotic ssDNA binding protein, has two important roles in DNA metabolism: (1) in binding ssDNA to protect it and to keep it unfolded, and (2) in coordinating the assembly and disassembly of numerous proteins and protein complexes during processes such as DNA replication. Since its discovery as a vital player in the process of replication, RPAs roles in recombination and DNA repair quickly became evident. This chapter summarizes the current understanding of RPA’s roles in replication by reviewing the available structural data, DNA-binding properties, interactions with various replication proteins, and interactions with DNA repair proteins when DNA replication is stalled.
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Acknowledgements
This work was supported by the American Cancer Society [RSG-02-162-01-GMC], NCI Eppley Cancer Center Support Grant [P30CA036727] and the Nebraska Department of Health and Human Services grants [2011-05 & 2012-04]. Aishwarya Prakash was supported by a University of Nebraska Medical Center graduate fellowship and Presidential graduate fellowship and would also like to thank Dr. Sylvie Doubliè for her support [NIH/NCI P01CA098993].
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Prakash, A., Borgstahl, G.E.O. (2012). The Structure and Function of Replication Protein A in DNA Replication. In: MacNeill, S. (eds) The Eukaryotic Replisome: a Guide to Protein Structure and Function. Subcellular Biochemistry, vol 62. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-4572-8_10
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