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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Activation and phosphorylation of a pleckstrin homology domain containing protein kinase (RAC-PK/PKB) promoted by serum and protein phosphatase inhibitors
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Activation and phosphorylation of a pleckstrin homology domain containing protein kinase (RAC-PK/PKB) promoted by serum and protein phosphatase inhibitors

机译:血清和蛋白质磷酸酶抑制剂促进的包含蛋白激酶(RAC-PK / PKB)的pleckstrin同源域的激活和磷酸化

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摘要

Treatment of quiescent Swiss 3T3 fibroblasts with serum, or with the phosphatase inhibitors okadaic acid and vanadate, induced a 2- to 11-fold activation of the serine/ threonine RAC protein kinase (RAC-PK). Kinase activation was accompanied by decreased mobility of RAC-PK on SDS/ PAGE such that three electrophoretic species (a to c) of the kinase were detected by immunoblot analysis, indicative of differentially phosphorylated forms.
机译:用血清或磷酸酶抑制剂冈田酸和钒酸盐处理静止的Swiss 3T3成纤维细胞可诱导丝氨酸/苏氨酸RAC蛋白激酶(RAC-PK)活化2至11倍。激酶激活伴随着RAC-PK在SDS / PAGE上的迁移率降低,从而通过免疫印迹分析检测到了该激酶的三个电泳物种(a至c),表明存在差异化的磷酸化形式。

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