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Nucleic Acids Res. 1998 Jan 15;26(2):631-7.

Human RPA (hSSB) interacts with EBNA1, the latent origin binding protein of Epstein-Barr virus.

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  • 1Laboratory of DNA replication, The Rockefeller University, Howard Hughes Medical Institute, 1230 York Avenue, New York, NY 10021, USA.

Abstract

RPA is the replicative single-strand DNA (ssDNA) binding protein of eukaryotic chromosomes. This report shows that human RPA interacts with EBNA1, the latent origin binding protein of Epstein-Barr virus (EBV). RPA binds to EBNA1 both in solution, and when EBNA1 is bound to the EBV origin. RPA is a heterotrimer, and the main contact with EBNA1 is formed through the 70 kDa subunit of RPA, the subunit which binds to ssDNA. We propose that this interaction between RPA and EBNA1 is an early step in activation of the latent origin of EBV.

PMID:
9421526
PMCID:
PMC147273
[PubMed - indexed for MEDLINE]
Free PMC Article
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