--- 
mappings: 
  - 
    mapped: 
      assembly: GRCh38
      coord_system: chromosome
      end: 10001
      seq_region_name: X
      start: 10001
      strand: 1
    original: 
      assembly: GRCh37
      coord_system: chromosome
      end: 60001
      seq_region_name: X
      start: 60001
      strand: 1