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Nature 417, 399-403 (23 May 2002) | doi:10.1038/nature750; Received 27 February 2002; Accepted 17 April 2002; Published online 8 May 2002

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Comparative assessment of large-scale data sets of protein–protein interactions

Christian von Mering1, Roland Krause2, Berend Snel1, Michael Cornell3, Stephen G. Oliver3, Stanley Fields4 & Peer Bork1

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Comprehensive protein–protein interaction maps promise to reveal many aspects of the complex regulatory network underlying cellular function. Recently, large-scale approaches have predicted many new protein interactions in yeast. To measure their accuracy and potential as well as to identify biases, strengths and weaknesses, we compare the methods with each other and with a reference set of previously reported protein interactions.