Queried GO terms:

  idGO:0031430   Detailed information
  nameM band
  namespacecellular_component
  def"The midline of aligned thick filaments in a sarcomere; location of specific proteins that link thick filaments. Depending on muscle type the M band consists of different numbers of M lines." [GOC:mtg_muscle, ISBN:0198506732 "Oxford Dictionary of Biochemistry and Molecular Biology", ISBN:0815316194]
  synonym"M disc" EXACT []
  synonym"M line" NARROW []
  synonym"mesophragma" EXACT []
  synonym"midline" BROAD []
  xrefWikipedia:Sarcomere#bands
  is_aGO:0044449 ! contractile fiber part
  relationshippart_of GO:0031672 ! A band

Monarch genes with this GO terms:

  DPGLEAN03951

  DPGLEAN06150

  DPGLEAN09003

  DPGLEAN13736

  DPGLEAN13738

  DPGLEAN13739

  DPGLEAN14524

  DPGLEAN18881