Queried GO terms:

  idGO:0042373   Detailed information
  namevitamin K metabolic process
  namespacebiological_process
  def"The chemical reactions and pathways involving any of the forms of vitamin K, quinone-derived vitamins which are involved in the synthesis of blood-clotting factors in mammals. Vitamin K substances share a methylated naphthoquinone ring structure and vary in the aliphatic side chains attached to the molecule." [GOC:jl, http://www.dentistry.leeds.ac.uk/biochem/thcme/vitamins.html#k]
  subsetgosubset_prok
  synonym"naphthoquinone metabolic process" BROAD []
  synonym"naphthoquinone metabolism" BROAD []
  synonym"vitamin K metabolism" EXACT []
  is_aGO:0006775 ! fat-soluble vitamin metabolic process
  is_aGO:0042180 ! cellular ketone metabolic process
  is_aGO:0042375 ! quinone cofactor metabolic process

No monarch genes has this GO term.