The Reactome team has released new versions of our protein-protein interaction files derived from reactions and complexes. These files were updated following user feedback, with the goal of providing extra annotation features through support from the PSI-MITAB 2.7 data format. Interactions are computationally generated based on the data stored on complexes and reactions. The interactions provided by Reactome are not curated and are not experimental data. In addition, the complexes and reactions in species other than human are derived by orthology inference from the corresponding human complexes and reactions. Tab-delimited formatted files are also provided for human and all species.

The four new files are:

Documentation about these files is available from the Data Download page.

The former versions of the protein-protein interaction files are still available but will be removed from service as of Version 62 in September 2017. We encourage users that programmatically access these files to update the scripts.

About the Reactome Project. Reactome is a collaboration between groups at the Ontario Institute for Cancer Research, Cold Spring Harbor Laboratory, New York University Langone Medical Center, Oregon Health and Science University, and The European Bioinformatics Institute. Reactome data and software are distributed under the terms of the Creative Commons Attribution 4.0 License. A full description of the new and updated content is available on the Reactome website.

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