Queried GO term:

  idGO:0042923   Detailed information
  nameneuropeptide binding
  namespacemolecular_function
  def"Interacting selectively and non-covalently and stoichiometrically with neuropeptides, peptides with direct synaptic effects (peptide neurotransmitters) or indirect modulatory effects on the nervous system (peptide neuromodulators)." [http://www.wormbook.org/chapters/www_neuropeptides/neuropeptides.html]
  is_aGO:0042277 ! peptide binding

No monarch genes has the input GO term: GO:0042923.