ON THE RELATIONSHIP BETWEEN ATPASE ACTIVITY AND SUPERPRECIPITATION OF ACTOMYOSIN

Autor:	Koichi Kato, Shiro Nakanishi
Rok vydání:	1968
Předmět:	animal structures Contraction (grammar) Biochemistry Physiology Chemistry Atpase activity Uterine muscle Inorganic ions
Zdroj:	Japanese Journal of Smooth Muscle Research. 4:173-176
ISSN:	1884-8788 0374-3527
DOI:	10.1540/jsmr1965.4.173
Popis:	The relationship between ATP-ase activity and the superprecipitation of actomyosin which was extracted from the rat's uterine muscle was investigated. Results were as follows:1) The superprecipitation occurred in the wide range of KCI concentration, 0.05-0.20 M, and particularly strongly in the range of 0.08-0.12 M.2) In this range of KCl concentration, actomyosin-ATP ase activities were nearly the same degree.3) In regard to the effects of inorganic ions upon AM, the experiments indicated that the cooperation of Ca and Mg ions is required for the contraction of AM system. Moreover, Mg ion activated AM ATP ase activity.4) The relationship between ATPase activity and superprecipitation. of AM was almost parallel.
Databáze:	OpenAIRE
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