Queried GO terms:

  idGO:0006771   Detailed information
  nameriboflavin metabolic process
  namespacebiological_process
  def"The chemical reactions and pathways involving riboflavin (vitamin B2), the precursor for the coenzymes flavin mononucleotide (FMN) and flavin adenine dinucleotide (FAD)." [GOC:jl, http://www.indstate.edu/thcme/mwking/vitamins.html]
  subsetgosubset_prok
  synonym"riboflavin metabolism" EXACT []
  synonym"vitamin B2 metabolic process" EXACT []
  synonym"vitamin B2 metabolism" EXACT []
  synonym"vitamin G metabolic process" EXACT []
  synonym"vitamin G metabolism" EXACT []
  xrefWikipedia:Riboflavin
  is_aGO:0006767 ! water-soluble vitamin metabolic process
  is_aGO:0042726 ! flavin-containing compound metabolic process

No monarch genes has this GO term.