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  • Title: [Biochemical characteristics of functionally active actin-like protein from liver mitochondria].
    Author: Stozharov AN.
    Journal: Ukr Biokhim Zh (1978); 1986; 58(1):5-10. PubMed ID: 2935981.
    Abstract:
    The actin-like protein with a molecular weight of 42 kDa was obtained from the preparation of freshly isolated mitochondria of the rat liver using the method of immobilized DNAse affinity chromatography. The inhibitory ability of the isolated protein with respect to pancreatic DNAse I was the same as that of muscular actin. The native structure of the mitochondria protein is confirmed by the data of spectral analysis and its ability to globular-fibrillar transformation with an increased ionic strength of the solution. The polymerization ability as well as a stimulating effect of the actin-like protein of mitochondria on the ATPase activity of myosin is much less pronounced as compared to actin of skeletal muscles.
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