phosphatidylinositol-4-phosphate-cholesterol exchange activity
phosphatidylinositol-4-phosphate-cholesterol exchange activity
Catalysis of the reaction: a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol 4-phosphate)(out) + cholesterol(in) = 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol 4-phosphate)(in) + cholesterol(out). This reaction results in the exchange of cholesterol for phosphatidylinositol-4-phosphate (PI(4)P) between membranes.