Queried GO terms:

  idGO:0043168   Detailed information
  nameanion binding
  namespacemolecular_function
  def"Interacting selectively and non-covalently with anions, charged atoms or groups of atoms with a net negative charge." [GOC:jl]
  subsetgosubset_prok
  is_aGO:0043167 ! ion binding

No monarch genes has this GO term.