Please follow https://www.ncbi.nlm.nih.gov/projects/sviewer/?id=NC_000023.11&tracks=[key:sequence_track,name:T15993,display_name:Sequence,id:T15993,dbname:GenBank,annots:NA,ShowLabel:false,ColorGaps:false,shown:true,order:1][key:gene_model_track,name:T2275599,display_name:Genes\, NCBI Homo sapiens Annotation Release 109.20201120,id:T2275599,dbname:SADB,annots:NA000281575.1,Options:MergePairs,CDSProductFeats:false,NtRuler:true,AaRuler:true,HighlightMode:2,ShowLabel:true,shown:true,order:55][key:feature_track,name:T1470662,display_name:RNA-seq intron features\, aggregate (filtered)\, NCBI Homo sapiens Annotation Release 109,id:T1470662,subkey:intron,dbname:SADB,annots:NA000152406.1,Layout:Adaptive,sort_reads:false,sort_strands:false,read_range:inf|inf|auto,read_range:inf|inf|auto,shown:true,order:231][key:feature_track,name:T1546618,display_name:Intropolis RNA-seq intron features\, filtered,id:T1546618,subkey:intron,dbname:SADB,annots:NA000158777.1,Layout:Adaptive,sort_reads:false,sort_strands:true,read_range:500|inf,shown:true,order:590]&assm_context=GCF_000001405.39&app_context=Gene&v=43626398:43909479&c=null&select=null&slim=0.