Queried GO terms:

  idGO:0046113   Detailed information
  namenucleobase catabolic process
  def"The chemical reactions and pathways resulting in the breakdown of a nucleobase, a nitrogenous base that is a constituent of a nucleic acid." [GOC:ai]
  synonym"nucleobase breakdown" EXACT []
  synonym"nucleobase catabolism" EXACT []
  synonym"nucleobase degradation" EXACT []
  is_aGO:0009112 ! nucleobase metabolic process
  is_aGO:0034656 ! nucleobase, nucleoside and nucleotide catabolic process
  is_aGO:0046700 ! heterocycle catabolic process

No monarch genes has this GO term.