Also known as:
- National Center for Biotechnology Information, Bethesda.
National Center for Biotechnology Information, Bethesda
Public
Reserved namespace:
- ncbi
Description:
- The NCBI Entrez Protein database comprises sequences taken from a variety of sources, including SwissProt, the Protein Information Resource, the Protein Research Foundation, the Protein Data Bank, and translations from annotated coding regions in the GenBank and RefSeq databases. Protein sequence records in Entrez have links to pre-computed protein BLAST alignments, protein structures, conserved protein domains, nucleotide sequences, genomes, and genes.
- The NCBI Taxonomy Database includes names and classifications for all of the organisms that are represented in the protein and sequence databases. The taxonomy browser is a convenient way to navigate and search the classification; it is updated continuously as new taxa are added to the database. The taxonomy browser includes a rich set of links to other NCBI resources (sequences, structures, genomes, literature &c.) as well as externally curated links to outside resources (LinkOut links). The taxonomy database is also represented as a domain of Entrez (a href=http:www.ncbi.nlm.nih.goventrezquery.fcgi?db=Taxonomyhttp:www.ncbi.nlm.nih.goventrezquery.fcgi?db=Taxonomya) and is available as a set of ftp files (a href=ftp:ftp.ncbi.nih.govpubtaxonomyftp:ftp.ncbi.nih.govpubtaxonomya) that are updated every two hours.
- The NCBI Viral Genomes Resource (a href=http:www.ncbi.nlm.nih.govgenomesVIRUSESviruses.htmlhttp:www.ncbi.nlm.nih.govgenomesVIRUSESviruses.htmla) provides sequence information, as well as precomputed comparative analyses and Web tools, for all viruses and viroids for which (nearly) complete genomic sequences have been established and deposited to DDBJ, EMBL, or GeneBank. The collection currently contains over 2200 reference sequences (RefSeq) and about 6,500 additional complete sequences for more than 1,500 different viral species. The reference sequences are maintained in separate records that are further curated and updated. Whenever more than one complete genome for a species is available, a pairwise global alignment of a reference sequence with each additional sequence is provided. Precomputed clusters of related proteins (VOG) from the reference sequences help navigate among viral proteomes and summarize available functional information for most major virus groups. The data are accessible via Entrez as well as from specialized Web pages offering visualization of the sequence information at various levels of detail.
Provider homepage:
- http://www.ncbi.nlm.nih.gov/
Bioinformatics tag:
- bm:Prefix.
- bm:General sequence databases
- bm:Taxonomy and identification
- bm:Viral genome databases
- bm:Protein sequence databases
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