Table 2.
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.