<p>This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</p> <p>We present a brief guide to resources on the Internet relating to Protein-Protein
Interactions. These include databases containing experimentally verified and computationally
inferred physical and functional interactions. There are also tools for predicting
interactions and for extracting information on interactions from the literature, and
organism specific databases.</p>
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Comp Funct Genomics. 2001 Oct; 2(5):338-343