9a49afb16653363a70d8e4d205513008b7b08df5
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  Wed May 13 06:18:42 2026 -0700
varFreqs: add UK Biobank subtrack from Neale Lab Round 2 imputed-v3 variant manifest (13.7M variants, 361k white British samples). TSV → VCF conversion + CrossMap hg19→hg38, refs #36642

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

diff --git src/hg/makeDb/trackDb/human/varFreqs.ra src/hg/makeDb/trackDb/human/varFreqs.ra
index 7b805e500b9..880534807ee 100644
--- src/hg/makeDb/trackDb/human/varFreqs.ra
+++ src/hg/makeDb/trackDb/human/varFreqs.ra
@@ -360,30 +360,40 @@
         priority 4.1
         url https://www.ncbi.nlm.nih.gov/snp/$$#frequency_tab
         urlLabel NCBI Variation Page
 
         track finngen
         parent varFreqs on
         visibility dense
         type vcfTabix
         shortLabel FinnGen R12 500k imputed
         longLabel Variant Frequencies: Finland FinnGen - 500k samples, arrays, imputation used 8.5k WGS
         priority 4.5
         bigDataUrl /gbdb/$D/varFreqs/finngen/finnge_R12_annotated_variants_v1.vcf.gz
         dataVersion R12
         tableBrowser off
 
+        track ukbb
+        parent varFreqs on
+        visibility dense
+        type vcfTabix
+        shortLabel UK Biobank 361k imputed
+        longLabel Variant Frequencies: UK Biobank - 361k White British, Neale Lab Round 2 imputed
+        priority 4.6
+        bigDataUrl /gbdb/$D/varFreqs/ukbb/ukbb.vcf.gz
+        dataVersion Neale Lab Round 2 (Aug 2018, hg19 lift)
+
         track swefreq
         parent varFreqs on
         visibility dense
         type vcfTabix
         shortLabel Sweden SweGen 1k WGS
         longLabel Variant Frequencies: Sweden SweGen - 1k WGS
         priority 4.7
         bigDataUrl /gbdb/$D/varFreqs/swefreq/swegen_frequencies_fixploidy_GRCh38_20190204.vcf.gz
         dataVersion 20251201
         tableBrowser off
 
         track mgrb
         shortLabel Australia MGRB 4k WGS
         longLabel Variant Frequencies: Australia Medical Genome Reference Bank - 4,011 WGS
         type vcfTabix