Ebashi S, Toyo-Oka T, Nonmura Y
J Biochem. 1975 Oct;78(4):859-61. doi: 10.1093/oxfordjournals.jbchem.a130976.
Native tropomyosin from the gizzard was separated into troponin and tropomyosin. The mode of action of the troponin-tropomyosin system of gizzard was shown to be distinclty different from that of skeletal muscle.