Most distinguishing feature between skeletal muscle and smooth muscle
Troponin is the calcium binding protein in the Skeletal muscle. In smooth muscle, calmodulin is the calcium binding protein. (REF: TEXTBOOK OF MEDICAL PHYSIOLOGY GEETHA N 2 EDITION, PAGE NO - 40,59)
Troponin
Tropomyosin
Myosin
Actin
General physiology