tropomyosin
Biology

tropomyosin



Term: tropomyosin
Literally meaning: ?that which is turned in muscle?
Origin: Anc Greek
+-??????/tropos(=suffix denoting way, habit, direction or tendency) >?????/trepo(=turn)
+???-/myo-(=combining form meaning muscle) > ???/mys/ (=muscle) > ???/myo(=enclosed like the muscle inside body or rat in its nest=epimys)

Coined/History
Tropomyosin was first discovered by Bailey in 1948.
Source
Bailey, K. (1948). Biochem. J. 43, 271.

Definition
Tropomyosin  is an actin?binding protein that, in absence of Ca++, binds to F- actin and along with troponin complex regulate muscle contraction.  




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