Queried GO terms:

  idGO:0034770   Detailed information
  namehistone H4-K20 methylation
  namespacebiological_process
  def"The modification of histone H4 by addition of one or more methyl groups to lysine at position 20 of the histone." [GOC:mah]
  synonym"histone H4 K20 methylation" EXACT []
  synonym"histone H4K20me" EXACT []
  synonym"histone lysine H4 K20 methylation" EXACT []
  is_aGO:0034968 ! histone lysine methylation

No monarch genes has this GO term.