SUBCELLULAR-LOCALIZATION OF INOSITOL LIPID KINASES IN RAT-LIVER

被引:77
作者
COCKCROFT, S [1 ]
TAYLOR, JA [1 ]
JUDAH, JD [1 ]
机构
[1] UNIV LONDON UNIV COLL, SCH MED, DEPT EXPTL PATHOL, LONDON WC1E 6JJ, ENGLAND
关键词
D O I
10.1016/0167-4889(85)90173-9
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The subcellular distribution of the enzymes which phosphorylate phosphatidylinositol sequentially to form phosphatidylinositol 4-phosphate and phosphatidylinositol 4,5-bisphosphate was investigated in rat liver. Whilst phosphatidylinositol kinase is present in golgi, lysosomes and plasma membranes, the kinase that forms phosphatidylinositol 4,5-bisphosphate is localized predominantly at the plasma membrane. The role of the inositol lipid kinases in cell function is discussed.
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页码:163 / 170
页数:8
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