src/hg/makeDb/trackDb/snp130.html 1.8

Index: src/hg/makeDb/trackDb/snp130.html
===================================================================
RCS file: /projects/compbio/cvsroot/kent/src/hg/makeDb/trackDb/snp130.html,v
retrieving revision 1.7
retrieving revision 1.8
diff -b -B -U 4 -r1.7 -r1.8
--- src/hg/makeDb/trackDb/snp130.html	24 Jun 2009 18:18:42 -0000	1.7
+++ src/hg/makeDb/trackDb/snp130.html	15 Jul 2009 18:03:22 -0000	1.8
@@ -140,10 +140,10 @@
   <LI>Class is single and the format of observed alleles is unexpected.</LI>
   <LI>The length of the observed allele(s) is not available because it is
       too long.</LI>
   <LI>Multiple distinct insertion SNPs have been mapped to this location.</LI>
-  <LI>At least one observed allele contains an ambiguous IUPAC base 
-      (e.g. R, Y, N).</LI>
+  <LI>At least one observed allele contains an ambiguous 
+      <A HREF=../goldenPath/help/iupac.html>IUPAC</A> base (e.g. R, Y, N).</LI>
   </UL>
 
 Another condition, which does not necessarily imply any problem, is noted:
   <UL>
@@ -203,14 +203,16 @@
 <LI>are biallelic (not tri or quad allelic)
 </UL>
 
 In some cases the orthologous allele is unknown; these are set to 'N'.
-If a lift was not possible, we set the orthologous allele to '?' and the orthologous start and end 
-position to 0 (zero).
+If a lift was not possible, we set the orthologous allele to '?' and the 
+orthologous start and end position to 0 (zero).
 
 <H2>Masked FASTA Files (human assemblies only)</H2>
 
-FASTA files that have been modified to use IUPAC ambiguous nucleotide characters at
+FASTA files that have been modified to use 
+<A HREF=../goldenPath/help/iupac.html>IUPAC</A>
+ambiguous nucleotide characters at
 each base covered by a single-base substitution are available for download
 <A HREF="http://hgdownload.cse.ucsc.edu/goldenPath/hg18/snp130Mask/">here</A>.
 Note that only single-base substitutions (no insertions or deletions) were used
 to mask the sequence, and these were filtered to exlcude problematic SNPs.