Queried GO term:

  idGO:0042398   Detailed information
  namecellular modified amino acid biosynthetic process
  namespacebiological_process
  def"The chemical reactions and pathways resulting in the formation of compounds derived from amino acids, organic acids containing one or more amino substituents." [CHEBI:25359, GOC:ai]
  subsetgosubset_prok
  is_aGO:0006575 ! cellular modified amino acid metabolic process
  is_aGO:0008652 ! cellular amino acid biosynthetic process

No monarch genes has the input GO term: GO:0042398.