163a294300cc27dbcc4b9501aac95630bb765d5f
lrnassar
  Fri Mar 19 16:57:03 2021 -0700
Announcng GENCODE update refs #27008 #27007 #27006

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 </div>
 
 <!-- ============= 2021 archived news ============= -->
 <a name="2021"></a>
 
+<a name="032321"></a>
+<h2>Mar. 23, 2020 &nbsp;&nbsp; New GENCODE gene tracks: Human V37 (hg19/hg38) - Mouse M26 
+(mm39)</h2>
+<p>
+We are pleased to announce new GENCODE Gene annotation tracks, which correspond
+to <a href="https://www.ensembl.info/2021/02/15/ensembl-103-has-been-released/"
+target="_blank">Ensembl 103</a>, for three assemblies: <a target="_blank" 
+href="../../cgi-bin/hgTrackUi?db=hg19&c=chr21&g=wgEncodeGencodeV37lift37">hg19/GRCh37</a>,
+<a target="_blank" href="../../cgi-bin/hgTrackUi?db=hg38c=chr1&g=wgEncodeGencodeV37">hg38/GRCh38</a>,
+and <a target="_blank" href="../../cgi-bin/hgTrackUi?db=mm39&c=chr12&g=wgEncodeGencodeVM26">mm39/GRCm39</a>.
+For human, the GENCODE V37 annotations were mapped to hg38/GRCh38 and then back-mapped
+to the hg19/GRCh37 assembly. For all three assemblies, the gene sets contain the following
+tracks:</p>
+<ul>
+  <li>Basic - a subset of the <em>Comprehensive set</em>.</li>
+  <li>Comprehensive - all GENCODE coding and non-coding transcript annotations, including
+      polymorphic pseudogenes. This includes both manual and automatic annotations.</li>
+  <li>Pseudogenes - all annotations except polymorphic pseudogenes.</li></ul>
+<p>
+The hg38 and mm39 assemblies also include the following tracks that are not available on hg19:
+</p>
+<ul>
+  <li>2-way Pseudogenes - pseudogenes predicted by both the Yale Pseudopipe and UCSC
+      Retrofinder pipelines.</li>
+  <li>PolyA - polyA signals and sites manually annotated on the genome based on transcribed
+      evidence (ESTs and cDNAs) of 3' end of transcripts containing at least 3 A's not matching the
+      genome.</li></ul>
+<p>
+Details on each release can be found on the <a target="_blank" 
+href="https://www.gencodegenes.org/">GENCODE site</a>. This includes <a target="_blank" 
+href="https://www.gencodegenes.org/human/stats.html">statistics on each release</a>.
+<p>We would like to thank the <a target="_blank" 
+href="https://www.gencodegenes.org/pages/gencode.html">GENCODE project</a> for providing these
+annotations. We would also like to thank Mark Diekhans and Lou Nassar for the development and
+release of these tracks.</p>
+
 <a name="031821"></a>
 <h2>Mar. 18, 2021 &nbsp;&nbsp; Updated transcription start miRNA sites for human</h2>
 <p>
 We are happy to announce an update to the TS miRNA Targets track for human,
 <a href="/cgi-bin/hgTrackUi?db=hg19&c=chrX&g=targetScanMiRnaSitesV72" >GRCh37/hg19</a>.
 This track shows conserved mammalian microRNA regulatory target sites for conserved microRNA
 families in the 3' UTR regions of Refseq Genes, as predicted by TargetScanHuman 7.2.</p>
 
 <p>
 The track items are colored based on the four classes of target sites identified in Agarwal
 <em>et al.</em>, 2015.</p>
 <table cellpadding="2">
   <tbody>
     <tr>
       <td>Purple</td>