Table 2.

IPLs of T. kodakarensis. Novel IPLs are indicated in bold.

IPL	Core	Headgroup	Acronym	Chemical formula***	RT (min)	M + H (Da)	M + NH4 (Da)	Reference and/or figure
1	AR	Phosphatidic acid	PA-AR	****	11.9	733.1	Nd	Yoshinaga et al., 2011
2		Phosphatidyl glycerol	PG-AR	C46H96O8P	11.8	807.6847	824.7098	Yoshinaga et al., 2011
3		Diglycosidic	2G-AR	C55H112NO13	13.7	nd	994.8122	Yoshinaga et al., 2011
4		Phosphatidyl ethanolamine	PE-AR	C45H95NO6P	13.9	776.6894	nd	Yoshinaga et al., 2011
5		Phosphatidyl N-acetylhexoseamine	P-HexNAc-AR	C51H103NO11P	17.3	936.7276	953.8	Ferrante et al., 1986, Figure 4
6		68 (Da) + hexoseamine + phosphatidyl inositol	68 + Hex(NH2)-PI-AR	C60H119NO15P	20.5	1124.8316	nd	Figure 4
7		Phosphatidyl serine	PS-AR	****	21.3	820.6	nd	Yoshinaga et al., 2011
8		Phosphatidyl inositol	PI-AR	C49H100O11P	22.3	895.7008	912.7270	Yoshinaga et al., 2011
9		Hexoseamine + phosphatidyl inositol	Hex (NH2)-PI-AR	C55H111NO15P	25.4	1056.7698	1073.8	Nishihara et al., 1992
10		Hexose + phosphatidyl inositol	Hex-PI-AR	C55H110O16P	27.2	1057.7526	1074.8	Figure 4
11		Hexoseamine + diphosphatidyl inositol	PI-Hex(NH2)-PI-AR	C61H122NO23P2	42.9	1298.788	nd	Figure 4
12	GDGT	Phosphatidyl glycerol	PG-GDGT	****	13.1	1455.97	1472.03	Yoshinaga et al., 2011
13		Diglycosidic	2G-GDGT	C98H196NO16	14.5	nd	1643.4541	Sturt et al., 2004
14	Me-GDGT*	Diglycosidic	2G-Me-GDGT	C99H198NO16	14.7	nd	1657.477	Figure 3
15	diMe-GDGT**	Diglycosidic	2G-2Me-GDGT	C100H200NO16	14.5	nd	1671.4862	Figure 3
16		Phosphatidyl inositol	PI-GDGT	C92H184O14P	22.4	1544.3443	1561.3706	Jahn et al., 2004
17		Hexoseamine + phosphatidyl inositol	Hex(NH2)-PI-GDGT	C98H195NO18P	26.2	1705.4121	nd	Figure 5
18		Hexose + diphosphatidyl inositol	Hex-PI-GDGT-PI	****	33.3	1948.80	nd	Figure 5
19		Hexoseamine + diphosphatidyl inositol	Hex(NH2)-PI-GDGT-PI	****	37.9	1947.10	nd	Figure 5
20		Diphosphatidyl inositol	PI-GDGT-PI	****	38.9	1785.90	1801.7	Figure 5

^*Methylated GDGT.

^**Dimethylated GDGT.

^***Compounds identified based on exact mass and fragmentation patterns.

^****Identification based on fragmentation patterns only.

nd, no data.