7a7f7a92a1f0b41c59cf266efddd36a5202b4324
gperez2
  Fri Dec 20 15:57:50 2024 -0800
Adding a link to the description page on how NCBI calculates orthologs, refs #30262

diff --git src/hg/makeDb/trackDb/refSeqComposite.html src/hg/makeDb/trackDb/refSeqComposite.html
index 766ad8e..60628fc 100644
--- src/hg/makeDb/trackDb/refSeqComposite.html
+++ src/hg/makeDb/trackDb/refSeqComposite.html
@@ -71,32 +71,35 @@
    href="https://www.ncbi.nlm.nih.gov/refseq/refseq_select/">NCBI RefSeq Select</a>. 
    </li>
    <li>
    <em>RefSeq HGMD (subset)</em> &ndash; Subset of RefSeq Curated, transcripts annotated by the Human
    Gene Mutation Database. This track is only available on the human genomes hg19 and hg38.
    It is the most restricted RefSeq subset, targeting clinical diagnostics.
    </li>
    <li>
    <em>NCBI Orthologs</em> &ndash; Orthologous genes were identified by
    <a target="_blank" href="https://www.ncbi.nlm.nih.gov/refseq/annotation_euk/process/">
     NCBI's Eukaryotic Genome Annotation Pipeline</a>
     for the NCBI Gene dataset using a combination of protein sequence similarity
     and local synteny analysis. Orthology is determined between the genome being annotated and a
     reference genome, such as human or zebrafish, and pairs of orthologs are grouped together.
     Transitive relationships are inferred within each group, for example, zebrafish &lt;-&gt;
-    human &lt;-&gt; mouse. This track is available for the following assemblies: hg38, mm39, 
-    danRer11, canFam6, and bosTau9.
+    human &lt;-&gt; mouse. For more information on how NCBI calculates orthologs, see the details 
+    provided 
+   <a target="_blank" href="https://www.ncbi.nlm.nih.gov/kis/info/how-are-orthologs-calculated/">
+    here</a>. This track is available for the following assemblies: hg38, mm39, danRer11, canFam6, 
+    and bosTau9.
    </li>
   </ul>
 </dl>
 
 <p>
 The <em>RefSeq All</em>, <em>RefSeq Curated</em>, <em>RefSeq Predicted</em>, and
 <em>UCSC RefSeq</em> tracks follow the display conventions for
 <a href="../goldenPath/help/hgTracksHelp.html#GeneDisplay"
 target="_blank">gene prediction tracks</a>.
 The color shading indicates the level of review the RefSeq record has undergone:
 predicted (light), provisional (medium), or reviewed (dark), as defined by <a target=_blank href="https://www.ncbi.nlm.nih.gov/books/NBK21091/table/ch18.T.refseq_status_codes/?report=objectonly">RefSeq</a>. </p>
 
 <p>
 <table>
   <thead>