Tags: Biological Database, Database.
The Reference Sequence (RefSeq) database is an open access annotated and curated collection of publicly available nucleotide sequences (DNA RNA) and their protein products. This database is built by National Center for Biotechnology Information (NCBI) and unlike GenBank provides only a single record for each natural biological molecule (i.e. DNA RNA or protein) for major organisms ranging from viruses to bacteria to eukaryotes.