Queried GO terms:

  idGO:0019238   Detailed information
  namecyclohydrolase activity
  def"Catalysis of the hydrolysis of any non-peptide carbon-nitrogen bond in a cyclic amidine, a compound of the form R-C(=NH)-NH2, in a reaction that involves the opening of a ring." [GOC:mah]
  is_aGO:0016814 ! hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amidines

No monarch genes has this GO term.