Literally meaning: “that which is turned in muscle”
Origin: Anc Greek
+-τρόπος/tropos(=suffix denoting way, habit, direction or tendency) >τρέπω/trepo(=turn)
+μυο-/myo-(=combining form meaning muscle) > μυς/mys/ (=muscle) > μύω/myo(=enclosed like the muscle inside body or rat in its nest=epimys)
Tropomyosin was first discovered by Bailey in 1948.
Bailey, K. (1948). Biochem. J. 43, 271.
Tropomyosin is an actin–binding protein that, in absence of Ca++, binds to F- actin and along with troponin complex regulate muscle contraction.