Mikawa T, Toyo-oka T, Nonomura Y, Ebashi S
J Biochem. 1977 Jan;81(1):273-5. doi: 10.1093/oxfordjournals.jbchem.a131447.
The physiological activity of gizzard "troponin" fraction ((1975) J. Biochem. 78, 859) was shown to be due to the 80,000 dalton component.