This database is freely available to the general public via the Internet.

Entrez, the Life Sciences Search Engine, integrates the scientific literature, DNA and protein sequence databases, 3D protein structure and protein domain data, population study datasets, expression data, assemblies of complete genomes, and taxonomic information. This is a searchable database for text and sequence data, and is the central gateway to the family of databases maintained by the National Center for Biotechnology Information (NCBI), and program of the National Library of Medicine.

Not applicable.