[胸腺细胞质膜与钙离子的结合]
[Calcium ion binding by thymocyte plasma membranes].
作者信息
Dreval' V I, Nazarenko N D
出版信息
Nauchnye Doki Vyss Shkoly Biol Nauki. 1991(1):27-31.
PMID:2054417
Abstract
The equilibrium in calcium ions binding to isolated cattle thymocyte plasma membranes within the concentration range 1.10(-5)--5.10(-4) M has been investigated. The plasma membranes has been shown to possess two kinds of Ca(2+)-binding sites with the association constants 2,35.10(5) and 7.64.10(2) M-1 and numbers of binding sites 3.45.10(-4) and 4.55.10(-3) mole.g-1 protein respectively.
摘要
研究了钙离子在1.10(-5)--5.10(-4)M浓度范围内与分离的牛胸腺细胞质膜结合的平衡情况。已表明质膜具有两种Ca(2+)结合位点，其缔合常数分别为2.35.10(5)和7.64.10(2)M-1，结合位点数分别为3.45.10(-4)和4.55.10(-3)摩尔·克-1蛋白质。
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