A novel acidic form of the phosphatidylinositol transfer protein is preferentially retained in permeabilized Swiss mouse 3T3 fibroblasts.


By use of indirect immunofluorescence it was shown that phophatidylinositol transfer protein (PI-TP) remains associated with the Golgi system of Swiss mouse 3T3 fibroblasts after permeabilization with streptolysin O. By Western blot analysis it was demonstrated that intact cells contain the phosphatidylinositol-bound form of PI-TP (pI 5.5) and a novel more… (More)


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