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 Insights

  • Five new videos on YouTube: APIs, PubMed, RefSeq & more

    Nov 14, 2017

    Several videos are up on the NCBI YouTube, including recordings of recent NCBI Minute webinars. NCBI Minute: The NCBI Application Programming Interfaces (APIs) This NCBI Minute introduces the diverse group of APIs available to access NCBI database information and tools. … Continue reading

  • RefSeq release 85 is now public

    Nov 14, 2017

    RefSeq release 85 is now accessible online, via FTP and through NCBI’s programming utilities. This full release incorporates genomic, transcript, and protein data available, as of November 6, 2017, and contains 146,710,309 records, including 100,043,962 proteins, 20,905,608 RNAs, and sequences … Continue reading

  • Tree Viewer 1.7.0 now available

    Nov 14, 2017

    NCBI has recently updated Tree Viewer with new features, improvements and bug fixes, including improved sub-tree navigation and rendering. For a full list of changes, see the release notes. NCBI Tree Viewer is a tool for viewing your phylogenetic tree data.