Queried GO term:

  idGO:0017171   Detailed information
  nameserine hydrolase activity
  def"Catalysis of the hydrolysis of a substrate by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine)." [Wikipedia:Serine_hydrolase]
  is_aGO:0016787 ! hydrolase activity

No monarch genes has the input GO term: GO:0017171.