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Welcome to NCBI

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

Get Started

  • Tools: Analyze data using NCBI software
  • Downloads: Get NCBI data or software
  • How-To's: Learn how to accomplish specific tasks at NCBI
  • Submissions: Submit data to GenBank or other NCBI databases

NCBI Announcements

  • NCBI's April Newsletter is on the Bookshelf

    04 May 2012

    Information about May's Discovery Workshop, the new GTR and Assembly databases, DELTA-BLAST, Remap & Variation Reporter tools, Aspera-download method for large datasets, 1000 Genomes data on the Amazon Cloud, new YouTube Videos and more...

  • New Filter Sidebar has been added to PubMed

    03 May 2012

    The Filter Sidebar displays the useful features of the popular Limits page. This should make it easier to refine PubMed search results. For more information, please see the YouTube Video.

  • DELTA BLAST - more sensitive protein searching

    30 Apr 2012

    Domain Enhanced Lookup Time Accelerated BLAST (DELTA-BLAST) runs a fast RPS-BLAST search in order to construct a PSSM and then searches the PSSM against a BLAST database. To run a search click here.

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