a b/inst/extdata/TCGA_gencode.v22.annotation.gene.probeMap_test 

  1
  
id  gene    chrom   chromStart  chromEnd    strand





  
  

  2
  
ENSG00000000005.5   TNMD    chrX    100584802   100599885   +





  
  

  3
  
ENSG00000000457.12  SCYL3   chr1    169849631   169894267   -





  
  

  4
  
ENSG00000000460.15  C1orf112    chr1    169662007   169854080   +