Table 1. MS analysis of ether glycerophospholipids from COS7 cells incubated with 50 µM polyene-lyso-ePE or -ePC for 2 or 1 h, respectively.

label	m/z	lipid species	rel. int. [%]	m/z	lipid species	rel. int. [%]
lyso-	638.4	ePE(O-16:5/14:0)	2	636.4	ePE(P-16:5/14:0)	2
ether-	664.4	ePE(O-16:5/16:1)	23	662.4	ePE(P-16:5/16:1)	17
PE	666.5	ePE(O-16:5/16:0)	8	664.4	ePE(P-16:5/16:0)	10
	690.5	ePE(O-16:5/18:2)	21	688.4	ePE(P-16:5/18:2)	25
	692.5	ePE(O-16:5/18:1)	45	690.5	ePE(P-16:5/18:1)	45
	694.5	ePE(O-16:5/18:0)	2	692.5	ePE(P-16:5/18:0)	8
	714.5	ePE(O-16:5/20:4)	100	712.4	ePE(P-16:5/20:4)	100
	716.5	ePE(O-16:5/20:3)	8	714.5	ePE(P-16:5/20:3)	13
lyso-	740.5	ePC(O-16:5/14:0)	22
ether-	766.5	ePC(O-16:5/16:1)	36
PC	768.5	ePC(O-16:5/16:0)	55
	792.5	ePC(O-16:5/18:2)	40
	794.5	ePC(O-16:5/18:1)	21
	796.5	ePC(O-16:5/18:0)	3
	814.5	ePC(O-16:5/20:5)	14
	816.5	ePC(O-16:5/20:4)	100
	818.5	ePC(O-16:5/20:3)	15

“O” indicates plasmanyl, “P” plasmenyl lipids.