Tags: Biological Database, Database.
The European Nucleotide Archive (ENA) is a repository providing free and unrestricted access to annotated DNA and RNA sequences. It also stores complementary information such as experimental procedures details of sequence assembly and other metadata related to sequencing projects.The archive is composed of three main databases: the Sequence Read Archive the Trace Archive and the EMBL Nucleotide Sequence Database (also known as EMBL-bank).