The IMEx consortium is an international collaboration between major public interaction data providers to share curation effort and make a non-redundant set of protein interactions available in a single search interface on a common website (www.imexconsortium.org). Common curation rules have been developed and a central registry is used to manage the selection of articles to enter into the dataset. The advantages of such a service to the user, quality control measures adopted and data distribution practices are discussed.

In the version of this article initially published, the y-axis label on a graph in Figure 1b was incorrect. The error has been corrected in the HTML and PDF versions of the article.