haemoglobin-free human erythrocyte ghosts that were prepared in the presence of edta and were then exposed to ca2+ showed a substantial loss of phosphatidylinositol phosphate and phosphatidylinositol diphosphate , measured either chemically or by loss of 32p from the lipids of prelabelled membranes .
C0071655
phosphatidylinositol phosphate
C0031621
phosphatidylinositol