Actomyosin isolated from bovine tracheal smooth muscle.
作者信息
Sands H
出版信息
Proc Soc Exp Biol Med. 1975 Nov;150(2):299-302. doi: 10.3181/00379727-150-39023.
PMID:128759
Abstract
A contractile protein (actomyosin) was isolated from bovine tracheal smooth muscle by the use of "classical" procedures. The protein was considered to be actomyosin because it demonstrated: ATPase activity; superprecipitation upon the addition of ATP, and the solubility and extraction characteristics of actomyosin. The ATPase and superprecipitation reactions were not inhibited by EGTA, and did not require calcium. Lack of an effect of either calcium or EGTA could not be reversed by the addition of active bovine skeletal muscle troponin and tropomyosin. No troponin-tropomyosin like activities could be demonstrated in various tracheal muscle fractions.
摘要
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Actomyosin isolated from bovine tracheal smooth muscle.
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