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NCBI Resources: Interactions

Contains information about the NCBI databases to be used as a teaching tool.

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The Interactions Section has information about protein protein interactions between the products of your gene of interest and other proteins. 

The table contains the unique identifiers for a protein product (because one gene can make multiple proteins), the interacting protein, the gene this protein is created from, other members of a complex if any, where the information comes from, links to literature in PubMed, and a description of the interaction. 

The Human Protein Reference Database (HPRD) is a great place to find protein-protein interaction information.