Name of Net charge glycerophospholipid Name of X Formula of X (at pH 7) Phosphatidic acid -H -1 Phosphatidylethanolamine Ethanolamine 一CH-CH2-NH3 0 Phosphatidylcholine Choline -CHz-CH2-N(CH3)s 0 Phosphatidylserine Serine -CHzCH-NHs -1 c00 Phosphatidylglycerol Glycerol -CHzCH-CHzOH OH H O-P Phosphatidylinositol myo-Inositol 4.5- 4,5-bisphosphate bisphosphate OH HO 0-® Cardiolipin Phosphatidyl- CH 2 glycerol CHOH O H