New and Updated Pathways. In version V61, topics with new or revised pathways include: Gene expression (Transcriptional regulation by RUNX1), Immune System (Interleukin-12 family signaling), Signal Transduction (PTEN Regulation), and Transport of small molecules (Intracellular oxygen transport).
Thanks to our Contributors. Arkaitz Carracedo and Leonardo Salmena were our external authors. Sabine Bailly, Thorsten Burmester, Linda Shyue Huey Chuang, Yoshiaki Ito, Nisha Kriplani, Nick Leslie, and Esther van de Vosse were our external reviewers.
Annotation Statistics. Reactome comprises 11,042 human reactions organized into 2,148 pathways involving 10,940 proteins encoded by 10,691 different human genes, 1,763 small molecules, and 11,041 complexes. These annotations are supported by 26,859 literature references. We have projected these reactions onto 120,804 orthologous proteins, creating 20,780 orthologous pathways in 18 non-human species. Version 61 has annotations for 1,334 protein variants (mutated proteins) and their post-translationally modified forms, derived from 285 proteins. These have been used to annotate 506 disease-specific complexes and 906 disease-specific reactions organized into 453 pathways and subpathways, and tagged with 294 Disease Ontology terms.
About the Reactome Project. Reactome is a collaboration between groups at the Ontario Institute for Cancer Research, Oregon Health and Science University, New York University Langone Medical Center, 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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