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The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.

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  • Tools: Analyze data using NCBI software
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  • Submissions: Submit data to GenBank or other NCBI databases

NCBI Announcements

  • RefSeq release 80 now available; GI identifiers to be removed in next release (March 2017)

    Jan 13, 2017

    RefSeq release 80 is now accessible online, via FTP and through NCBI's programming utilities. This full release incorporates genomic, transcript, and protein data available as of January 9, 2017 and contains 118,059,547 records, including 78,028,152 proteins, 17,862,608 RNAs, and sequences from 66,224 organisms. The release is provided in several directories as a complete dataset and also as divided by logical groupings.

  • New videos on YouTube: Clone DB and clone placements

    Jan 13, 2017

    Two new videos on the NCBI YouTube channel demonstrate how to use Clone DB and clone placements to assess and improve genome assemblies.

  • GenBank release 217.0 is available via FTP

    Jan 11, 2017

    GenBank release 217.0 (12/15/2016) has 198,565,475 traditional records containing 224,973,060,433 base pairs of sequence data. In addition, there are 395,301,176 WGS records containing 1,817,189,565,845 base pairs of sequence data, 142,094,337 TSA records containing 125,328,824,508 base pairs of sequence data, as well as 1,268,690 TLS records containing 584,697,919 base pairs of sequence data.