--- 
mappings: 
  - 
    assembly_name: GRCh37
    coord_system: chromosome
    end: 48936804
    gap: 0
    rank: 0
    seq_region_name: 15
    start: 48936803
    strand: -1
  - 
    assembly_name: GRCh37
    coord_system: chromosome
    end: 48905289
    gap: 0
    rank: 0
    seq_region_name: 15
    start: 48905289
    strand: -1