Sequence Viewer 3.23 now available


Sequence Viewer 3.23 has several new features, improvements and bug fixes, including performance optimization for alignment renderings and improved tooltips in uploaded VCF files. For a full list of changes, see the Sequence Viewer release notes.

Sequence Viewer is a graphical view of sequences and color-coded annotations on regions of sequences stored in the Nucleotide and Protein databases.

NCBI releases newly designed dbSNP RefSNP Report – Alpha version


NCBI dbSNP is pleased to announce a newly designed Reference SNP (RefSNP, rs) Report webpage to provide enhanced performance and presentation for access to individual RefSNP records. This Alpha version of the report enables browsing of submitted and computed RefSNP variant data from the redesigned dbSNP build system.

The new RefSNP report (alpha version). You can see all of the sections described in the blog post, like the summary section and the sidebar menu.

Figure 1. The dbSNP RefSNP Report Alpha for rs268.

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Sequence Viewer 3.22 now available


Sequence Viewer 3.22 has several new features, improvements and bug fixes, including improved rendering on BAM and cSRA tracks. For a full list of changes, see the Sequence Viewer release notes.

Sequence Viewer is a graphical view of sequences and color-coded annotations on regions of sequences stored in the Nucleotide and Protein databases.

New video on YouTube: Embed the NCBI Sequence Viewer into Your Pages


The newest video on the NCBI YouTube channel introduces the Sequence Viewer embedding API. A few quick examples illustrate how easy it is to embed Sequence Viewer into your own pages.

Sequence Viewer is a graphical view of sequences and color-coded annotations on regions of sequences stored in the Nucleotide and Protein databases.

Subscribe to the NCBI YouTube channel to receive alerts about new videos ranging from quick tips to full webinar presentations.