钙调蛋白与人红细胞血影（Ca2+ + Mg2+）-ATP酶的靶标大小
Calmodulin and the target size of the (Ca2+ + Mg2+)-ATPase of human red-cell ghosts.
作者信息
Cavieres J D
出版信息
Biochim Biophys Acta. 1984 Apr 11;771(2):241-4. doi: 10.1016/0005-2736(84)90539-x.
PMID:6142728
Abstract
An average target size of 251 kDa has been obtained for the (Ca2+ + Mg2+)-ATPase of calmodulin-depleted erythrocyte ghosts by radiation inactivation with 16 MeV electrons. This is close to twice the size of the purified calcium-pump polypeptide. When calmodulin was included during the ATPase assay, a component of about 1 MDa appeared in addition to the activated dimer.
摘要
通过用16兆电子伏特电子进行辐射失活，已获得钙调蛋白缺失的红细胞膜空壳（Ca2+ + Mg2+）-ATP酶的平均靶标大小为251千道尔顿。这接近纯化的钙泵多肽大小的两倍。当在ATP酶测定过程中加入钙调蛋白时，除了活化的二聚体外，还出现了一个约1兆道尔顿的组分。
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