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A CA2+ CAM PROTEIN KINASE ASSOCIATED WITH CA2+ TRANSPORT IN SARCO(ENDO)PLASMIC VESICLES FROM TRACHEAL SMOOTH MUSCLE

机译:气管平滑肌在SARCO(内膜)血管中CA2 +转运与CA2 +转运相关

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摘要

In this work, we show evidence to support the existence of a Ca2+ calmodulin (CAM) dependent protein kinase and a substrate, a 17 kilodaltons (KDA) polypeptide being both associated to sarco(endo)plasmic reticulum vesicles from tracheal smooth muscle. Anti-CAM drugs such as compound 48/80 inhibited this protein kinase activity and this inhibition was reversed in the presence of Ca(2+)CAM. Moreover, as a result of this phosphorylation, there is a significant increase in the ATP dependent Ca2+ transport in these sarco (endo)plasmic vesicles. [References: 45]
机译:在这项工作中,我们显示出证据支持存在Ca2 +钙调蛋白(CAM)依赖性蛋白激酶和底物,一种17千道尔顿(KDA)多肽均与气管平滑肌的肌浆网(内质网)囊泡有关。抗CAM药物,例如化合物48/80,抑制了这种蛋白激酶的活性,在存在Ca(2+)CAM的情况下,这种抑制作用得以逆转。此外,由于这种磷酸化,这些肌(内)质囊中ATP依赖性Ca 2+转运显着增加。 [参考:45]

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