Table 4. Phospholipid composition of N. gonorrhoeae and E. coli membranes.

Phospholipid	N. gonorrhoeae [91]	E. coli [90]
Phosphatidylethanolamine (PE)	69%	87%
Phosphatidylglycerol (PG)	19%	4.7%
Cardiolipin	0.8%	7.1%
Phosphatidylcholine (PC)	11%	N.D.a
Phosphatidic acid	N.D.a	0.8%

^aN.D., Not detected