00e086afbcb8296c6aef946c13eeb777f34bac02
max
  Mon May 11 07:03:10 2026 -0700
mei: new track for HGSVC3 mobile element insertions on hg38 and hs1

12,642 MEIs on hg38, 12,919 on hs1, from the HGSVC3 callset (Logsdon
et al. 2025). Single shared trackDb stanza in human/mei.ra with $D
substitution. Okabe-Ito colors, INS-svLen:carrierCount item names,
inserted DNA in an insertSeq field. Cross-link to lrSv via
relatedTracks.ra. refs #37524

diff --git src/hg/makeDb/trackDb/human/mei.ra src/hg/makeDb/trackDb/human/mei.ra
new file mode 100644
index 00000000000..aef7b4800a0
--- /dev/null
+++ src/hg/makeDb/trackDb/human/mei.ra
@@ -0,0 +1,46 @@
+track mei
+superTrack on
+shortLabel Mobile Insertions
+longLabel Mobile Element Insertions (Polymorphic)
+group varRep
+visibility hide
+
+    track meiHgsvc3
+    parent mei
+    bigDataUrl /gbdb/$D/mei/hgsvc3.bb
+    shortLabel HGSVC3 65 MEIs
+    longLabel Mobile Element Insertions in 65 HGSVC3 Long-Read Assembled Samples
+    type bigBed 9 +
+    itemRgb on
+    visibility pack
+    mouseOver <b>${teClass}</b> insertion (${svLen} bp)<br>Carriers: ${carrierCount}/${sampleCount} samples<br>Allele frequency: ${altAlleleFreq}<br>Callers: ${callerCount}/2 (PALMER ${palmer}, L1ME-AID ${l1meAid})
+    filterValues.teClass Alu,L1,SVA,HERVK,snRNA
+    filterType.teClass multipleListOr
+    filterLabel.teClass Mobile Element Class
+    filter.svLen 0:9478
+    filterByRange.svLen on
+    filterLabel.svLen Insertion Length (bp)
+    filter.altAlleleFreq 0:1
+    filterByRange.altAlleleFreq on
+    filterLimits.altAlleleFreq 0:1
+    filterLabel.altAlleleFreq Allele Frequency
+    filter.carrierCount 0:65
+    filterByRange.carrierCount on
+    filterLabel.carrierCount Carrier Sample Count
+    filterValues.callerCount 1,2
+    filterType.callerCount multipleListOr
+    filterLabel.callerCount Caller Count (1=single, 2=both)
+    filterValues.l1meAid Yes,No
+    filterType.l1meAid multipleListOr
+    filterLabel.l1meAid L1ME-AID Validated
+    filterValues.palmer Yes,No
+    filterType.palmer multipleListOr
+    filterLabel.palmer PALMER Validated
+    filterValues.refTrf True,False
+    filterType.refTrf multipleListOr
+    filterLabel.refTrf In Tandem Repeat
+    filter.refSegDup 0:1
+    filterByRange.refSegDup on
+    filterLimits.refSegDup 0:1
+    filterLabel.refSegDup Segmental Duplication Overlap
+    skipEmptyFields on