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<li> <a href="#">Sequence Viewer</a>
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<li><a href="/tools/sviewer/about/">About</a></li>
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<li><a href="/tools/sviewer/mrnaproteindata/">Accessing RNA and protein sequence data</a></li>
<li><a href="/tools/sviewer/translationdiscrepancies/">Displaying translation discrepancies</a></li>
<li><a href="/tools/sviewer/manual-api/">Using Sequence Viewer Embedding API</a></li>
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<li><a href="/tools/sviewer/embedding-api/">NCBI Sequence viewer embedding API</a></li>
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<li><a href="/projects/treeview/">NCBI Tree Viewer</a></li>
<li><a href="/projects/msaviewer/">NCBI Multiple Sequence Alignment Viewer</a></li>
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<div><div class="dbheader"><div class="headerimage"></div><div class="headerintro"><h1>
NCBI Sequence Viewer Documentation
</h1><div class="dbdescription">The NCBI Sequence Viewer is a graphical display for nucleotide and protein sequences.</div></div></div><div class="tier firsttier"><div class="onecol"><div class="firsttier_portlet"><div class="portlet_head"><h2>Sequence Viewer</h2></div><div class="portlet_content"><ul><li><a href="/projects/sviewer/">Sequence Viewer application</a></li></ul></div></div></div><div class="onecol"><div class="firsttier_portlet"><div class="portlet_head"><h2>General</h2></div><div class="portlet_content"><ul><li><a href="about/">About</a></li><li><a href="overview/">Getting Started</a></li><li><a href="navigation/">Navigating the Sequence Viewer</a></li><li><a href="release-notes/">Release Notes</a></li></ul></div></div></div><div class="onecol lastcol"><div class="firsttier_portlet"><div class="portlet_head"><h2>Help</h2></div><div class="portlet_content"><ul><li><a href="videos/">
How-to Videos
</a></li><li><a href="legends/">
Graphical View Legend
</a></li><li><a href="faq/">
NCBI Track Sets FAQ
</a></li></ul></div></div></div></div></div>
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<li><a href="configpanel/">Configure Tracks</a></li>
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<li><a href="renderpdf/">Download PDF or SVG images</a></li>
<li><a href="mrnaproteindata/">Accessing RNA and protein sequence data</a></li>
<li><a href="translationdiscrepancies/">Displaying translation discrepancies</a></li>
<li><a href="manual-api">Using the Sequence Viewer Embedding API</a></li>
</ul>
</div>
</div>
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<h2>
Manuals
</h2>
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<li>
<a href="embedding-api/"> NCBI Sequence Viewer Embedding API
<li><a href="url_access/">URL Parameters</a></li>
</a>
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</ul>
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Related Resources
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<li>
<a href="/projects/treeview/">
NCBI Tree Viewer
</a>
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NCBI Multiple Sequence Alignment Viewer
</a>
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<h2>
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Embedding the NCBI Sequence View in Web Content
</a>
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Markers
</a>
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HGVS
</a>
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<h2>
Example Links
</h2>
<ul>
<li>
<a href="/projects/sviewer/?id=NC_000001">
Human chromosome: NC_000001
</a>
<br />
<p>
This link provides a look at human chromosome 1. There are two panels shown by default: an overview panel showing the density of annotated genes along with a select number of genes for reference; and a zoomed in graphical view showing a region of the chromosome itself.
</p>
</li>
<li>
<a href="/projects/sviewer/?id=NG_000007">
Human reference genomic region: NG_000007
</a>
<br />
<p>
This link shows a reference genomic region, that is, a genomic region that has undergone substantial curation by staff at NCBI. This particular record shows the beta globin locus on chromosome 11. Two panels are shown by default: an overview panel showing the density of annotated genes along with a select number of genes for reference; and a zoomed in graphical view showing individual features on the record.
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<a href="/projects/sviewer/?id=BC066124.1">
MGC mRNA: BC066124.1
</a>
<br />
<p>
This link shows a sample mRNA sequence from the Mammalian Genome Collection. This link will open with two views by default: a graphical panel showing the feature annotation on the sequence; and a sequence panel providing the bases of the sequence itself.
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Viral genome: AC_000020, sequence viewport and marker
</a>
<br />
<p>
This link provides an example of how a viral genome can be shown. The link will open with three panels (an overview graphical panel; a zoomed in graphical panel; and a sequence panel); additionally, a marker is set at position 800.
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You can also
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embed
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NCBI Sequence Viewer on your own page.
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<h2>Cite Us</h2>
<p>Rangwala SH, Kuznetsov A, Ananiev V, Asztalos A, Borodin E, Evgeniev V, Joukov V, Lotov V, Pannu R, Rudnev D, Shkeda A, Weitz EM, Schneider VA. Accessing NCBI data using the NCBI Sequence Viewer and Genome Data Viewer (GDV). Genome Res. January 2021 31: 159-169; Published in Advance November 25, 2020, doi:10.1101/gr.266932.120. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/33239395/">33239395</a>.</p>
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