Enzymatic activity in the M band.
D000818:Animals; D002802:Cholinesterases; D003599:Cytoskeleton; D004798:Enzymes / Q000737:chemistry*; D006651:Histocytochemistry; D008854:Microscopy, Electron; D018482:Muscle, Skeletal; D009132:Muscles / Q000378:metabolism*; D009142:Musculoskeletal Physiological Phenomena; D009206:Myocardium / Q000378:metabolism*; D012518:Sarcomeres; D012519:Sarcoplasmic Reticulum
D004798:Enzymes; D002802:Cholinesterases
ENZYMES/chemistry; MUSCLES/metabolism; MYOCARDIUM/metabolism