Queried GO term:

  idGO:0000255   Detailed information
  nameallantoin metabolic process
  namespacebiological_process
  def"The chemical reactions and pathways involving allantoin, (2,5-dioxo-4-imidazolidinyl)urea, an intermediate or end product of purine catabolism." [GOC:mah, ISBN:0198547684]
  subsetgosubset_prok
  is_aGO:0043603 ! cellular amide metabolic process
  is_aGO:0046483 ! heterocycle metabolic process

No monarch genes has the input GO term: GO:0000255.