GRC Incident Track Settings
GRC Incident Database   (All Mapping and Sequencing tracks)

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Data schema/format description and download
Related tracks
  • Problematic Regions: The problematic regions track lists unusual regions and the ones that often lead to artefacts when aligning reads to the reference genome
  • LiftOver & ReMap: LiftOver for hg38, explores how incident regions aligned between human assemblies
Assembly: Human Dec. 2013 (GRCh38/hg38)
Data last updated at UCSC: 2024-01-26 15:33:03


This track shows locations in the human assembly where assembly problems have been noted or resolved, as reported by the Genome Reference Consortium (GRC).

If you would like to report an assembly problem, please use the GRC issue reporting system.


Data for this track are extracted from the GRC incident database from the specific species *_issues.gff3 file. The track is synchronized once daily to incorporate new updates.


The data and presentation of this track were prepared by Hiram Clawson.