99ae46aca64e768875e6cbb2a232a0648bea5344
max
  Fri May 15 10:13:21 2026 -0700
varFreqs: prefix non-downloadable /gbdb subdirs with "_" so hgdownload rsync skips them; update bigDataUrl paths and Data Access wording on description pages for topmed, allofus, sfariSparkExomes/sfariSparkWgs, and mxbFreq. Combined varFreqsAll.bb moved into _all/. refs #36642

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

diff --git src/hg/makeDb/trackDb/human/mxbFreq.html src/hg/makeDb/trackDb/human/mxbFreq.html
index c85f4d06748..62cc6748103 100644
--- src/hg/makeDb/trackDb/human/mxbFreq.html
+++ src/hg/makeDb/trackDb/human/mxbFreq.html
@@ -8,31 +8,35 @@
 variants. Only autosomal, biallelic SNPs passing quality control are included. Samples were
 selected from 898 recruitment sites, with prioritization of indigenous language speakers.
 </p>
 
 <p>
 This track shows allele frequencies computed from the phased genotypes. The full
 phased genotype data with haplotype clustering display is available in the
 <a href="hgTrackUi?g=mexbb">Mexico Biobank track</a> under Phased Variants.
 Frequencies can also be plotted onto a map on the
 <a href="https://morenolab.shinyapps.io/mexvar/" target="_blank">MexVar platform</a>.
 The hg38 data was lifted from hg19 by UCSC (see below).
 </p>
 
 <h2>Data Access</h2>
 <p>
-We are not allowed to redistribute the VCF file.
+Due to license restrictions, the data for this track cannot be downloaded from the UCSC
+Genome Browser. The Table Browser, Data Integrator, and download server are not available
+for this track.
+</p>
+<p>
 Allele frequencies by geographical state and ancestry are available via
 the <a href="https://morenolab.shinyapps.io/mexvar/" target="_blank">MexVar platform</a>.
 Raw genotype data are available under controlled access at the
 EGA (Study: EGAS00001005797; Dataset: EGAD00010002361). For the VCFs, email
 andres.moreno@cinvestav.mx to obtain the data.
 </p>
 
 <h2>Methods</h2>
 <p>
 Data processing included GenomeStudio &rarr; PLINK conversion, strand alignment, removal
 of duplicates, update of map positions using dbSNP Build 151 and low-quality
 variants/individuals, and relatedness filtering.
 At UCSC, the phased VCF was lifted from hg19 to hg38 with CrossMap, then allele counts
 (AC, AF, AN) were computed using bcftools fill-tags and genotypes were stripped to produce
 a sites-only frequency VCF.