학술저널
가토심장(家兎心臟) 및 골격근(骨格筋)에서 분리(分離)한 Microsome 분획내(分劃內) ATPase 활성도(活性度)에 대(對)한 Mg<sup>++</sup>, Ca<sup>++</sup>, Na<sup>+</sup> 및 K<sup>+</sup>의 영향(影響)
The influence of Calcium, Magnesium, Sodium and Potassium Ion on the Adenosintriphosphatase activity of heart and skeletal microsomal fraction of rabbits.
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The microsomal fraction is isolated from rabbit heart and skeletal muscle. The fraction is found to contain the Na<sup>+</sup>-and K<sup>+</sup>-activated ATPase. The maximal ATPase activity is obtained in Na<sup>+</sup> and K<sup>+</sup> concentration of 100 mM. Calcium itself stimulates the Na<sup>+</sup>-and K<sup>+</sup>-activated portion of ATPase in the presence of Mg<sup>++</sup>. However, calcium does not stimulate ATPase in the absence of Mg<sup>++</sup>.
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