Tags: Biological Database, Database.
In molecular biology STRING (Search Tool for the Retrieval of Interacting Genes/Proteins) is a biological database and web resource of known and predicted protein-protein interactions.The STRING database contains information from numerous sources including experimental data computational prediction methods and public text collections. It is freely accessible and it is regularly updated. The latest version 9.0 contains information on about 5.2 millions proteins from 1133 species.