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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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NCBI Announcements

  • New NCBI Handbook chapters: Eukaryotic and prokaryotic genome annotation pipelines

    Dec 17, 2013

    In order to increase the utility of genomic information, we provide gene annotation and other features on Reference Sequence (RefSeq) genome records. Genome annotation is a multi-step process that includes prediction of protein-coding genes, as well as other functional genome units such as structural RNAs, tRNAs, small RNAs, pseudogenes, control regions, direct and inverted repeats, insertion sequences, transposons, and other mobile elements.

  • Sequence Viewer has been updated

    Dec 17, 2013

    NCBI Sequence Viewer provides a graphical view of sequences and color-coded annotations on regions of sequence stored in the Nucleotide and Protein databases. Sequence Viewer has recently been updated and now has better loading and management of uploaded custom tracks, improved naming of downloaded files including sequence ranges and file extensions, and easier embedding in external Web sites.

  • GenBank release 199 now available

    Dec 16, 2013

    GenBank Release 199 is now available through NCBI’s Entrez and BLAST services.

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