Exact Mass: 549.3794
Exact Mass Matches: 549.3794
Found 65 metabolites which its exact mass value is equals to given mass value 549.3794,
within given mass tolerance error 0.001 dalton. Try search metabolite list with more accurate mass tolerance error
0.0002 dalton.
LysoPC(20:1(11Z)/0:0)
LysoPC(20:1(11Z)) is a lysophospholipid (LyP). It is a monoglycerophospholipid in which a phosphorylcholine moiety occupies a glycerol substitution site. Lysophosphatidylcholines can have different combinations of fatty acids of varying lengths and saturation attached at the C-1 (sn-1) position. Fatty acids containing 16, 18 and 20 carbons are the most common. LysoPC(20:1(11Z)), in particular, consists of one chain of eicosenoic acid at the C-1 position. The eicosenoic acid moiety is derived from vegetable oils and cod oils. Lysophosphatidylcholine is found in small amounts in most tissues. It is formed by hydrolysis of phosphatidylcholine by the enzyme phospholipase A2, as part of the de-acylation/re-acylation cycle that controls its overall molecular species composition. It can also be formed inadvertently during extraction of lipids from tissues if the phospholipase is activated by careless handling. In blood plasma significant amounts of lysophosphatidylcholine are formed by a specific enzyme system, lecithin:cholesterol acyltransferase (LCAT), which is secreted from the liver. The enzyme catalyzes the transfer of the fatty acids of position sn-2 of phosphatidylcholine to the free cholesterol in plasma, with formation of cholesterol esters and lysophosphatidylcholine. Lysophospholipids have a role in lipid signaling by acting on lysophospholipid receptors (LPL-R). LPL-Rs are members of the G protein-coupled receptor family of integral membrane proteins. [HMDB] LysoPC(20:1(11Z)) is a lysophospholipid (LyP). It is a monoglycerophospholipid in which a phosphorylcholine moiety occupies a glycerol substitution site. Lysophosphatidylcholines can have different combinations of fatty acids of varying lengths and saturation attached at the C-1 (sn-1) position. Fatty acids containing 16, 18 and 20 carbons are the most common. LysoPC(20:1(11Z)), in particular, consists of one chain of eicosenoic acid at the C-1 position. The eicosenoic acid moiety is derived from vegetable oils and cod oils. Lysophosphatidylcholine is found in small amounts in most tissues. It is formed by hydrolysis of phosphatidylcholine by the enzyme phospholipase A2, as part of the de-acylation/re-acylation cycle that controls its overall molecular species composition. It can also be formed inadvertently during extraction of lipids from tissues if the phospholipase is activated by careless handling. In blood plasma significant amounts of lysophosphatidylcholine are formed by a specific enzyme system, lecithin:cholesterol acyltransferase (LCAT), which is secreted from the liver. The enzyme catalyzes the transfer of the fatty acids of position sn-2 of phosphatidylcholine to the free cholesterol in plasma, with formation of cholesterol esters and lysophosphatidylcholine. Lysophospholipids have a role in lipid signaling by acting on lysophospholipid receptors (LPL-R). LPL-Rs are members of the G protein-coupled receptor family of integral membrane proteins.
PC(18:1(9Z)e/2:0)
2-Acetyl-1-(9Z-octadecenyl)-sn-glycero-3-phosphocholine is an intermediate in ether lipid metabolism. 2-Acetyl-1-(9Z-octadecenyl)-sn-glycero-3-phosphocholine is converted from 2-acetyl-1-octadecyl-sn-glycerol via diacylglycerol cholinephosphotransferase (EC: 2.7.8.2). This is an ether lipid with platelet-activating factor functions which has an acetyl group instead of an acyl chain at the second position (SN-2). Ether lipids are lipids in which one or more of the carbon atoms on glycerol is bonded to an alkyl chain via an ether linkage, as opposed to the usual ester linkage.While most phospholipids have a saturated fatty acid on C-1 and an unsaturated fatty acid on C-2 of the glycerol backbone, the fatty acid distribution at the C-1 and C-2 positions of glycerol within phospholipids is continually in flux, owing to phospholipid degradation and the continuous phospholipid remodeling that occurs while these molecules are in membranes. PCs can be synthesized via three different routes. In one route, choline is activated first by phosphorylation and then by coupling to CDP prior to attachment to phosphatidic acid. PCs can also synthesized by the addition of choline to CDP-activated 1,2-diacylglycerol. A third route to PC synthesis involves the conversion of either PS or PE to PC. 2-Acetyl-1-(9Z-octadecenyl)-sn-glycero-3-phosphocholine is an intermediate in ether lipid metabolism. 2-Acetyl-1-(9Z-octadecenyl)-sn-glycero-3-phosphocholine is converted from 2-acetyl-1-octadecyl-sn-glycerol via diacylglycerol cholinephosphotransferase (EC: 2.7.8.2). This is an ether lipid with platelet-activating factor functions which has an acetyl group instead of an acyl chain at the second position (SN-2). Ether lipids are lipids in which one or more of the carbon atoms on glycerol is bonded to an alkyl chain via an ether linkage, as opposed to the usual ester linkage.
1-(9Z-Eicosenoyl)-sn-glycero-3-phosphocholine
Pyrrolidino PAF C-16
Platelet-activating factor
PC(2:0/O-18:1)
PC(2:0/O-18:1)[S]
PC(P-18:0/2:0)
PC(20:1/0:0)
1-o-(cis-9-octadecenyl)-2-o-acetyl-sn-glycero-3-phosphocholine
LysoPC(20:1(11Z)/0:0)
[2-hydroxy-3-[(E)-icos-9-enoyl]oxypropyl] 2-(trimethylazaniumyl)ethyl phosphate
[2-acetyloxy-3-[(Z)-octadec-9-enoxy]propyl] 2-(trimethylazaniumyl)ethyl phosphate
[2-hydroxy-3-[(Z)-icos-11-enoyl]oxypropyl] 2-(trimethylazaniumyl)ethyl phosphate
[2-heptanoyloxy-3-[(Z)-tridec-9-enoxy]propyl] 2-(trimethylazaniumyl)ethyl phosphate
[1-[2-aminoethoxy(hydroxy)phosphoryl]oxy-3-[(Z)-henicos-11-enoxy]propan-2-yl] acetate
[1-[2-aminoethoxy(hydroxy)phosphoryl]oxy-3-[(Z)-pentadec-9-enoxy]propan-2-yl] octanoate
[1-[2-aminoethoxy(hydroxy)phosphoryl]oxy-3-[(Z)-heptadec-9-enoxy]propan-2-yl] hexanoate
[1-[2-aminoethoxy(hydroxy)phosphoryl]oxy-3-[(Z)-icos-11-enoxy]propan-2-yl] propanoate
[1-[2-aminoethoxy(hydroxy)phosphoryl]oxy-3-octoxypropan-2-yl] (Z)-pentadec-9-enoate
[1-[2-aminoethoxy(hydroxy)phosphoryl]oxy-3-[(Z)-nonadec-9-enoxy]propan-2-yl] butanoate
[1-[2-aminoethoxy(hydroxy)phosphoryl]oxy-3-nonoxypropan-2-yl] (Z)-tetradec-9-enoate
[3-[(Z)-heptadec-9-enoxy]-2-propanoyloxypropyl] 2-(trimethylazaniumyl)ethyl phosphate
[3-[(Z)-pentadec-9-enoxy]-2-pentanoyloxypropyl] 2-(trimethylazaniumyl)ethyl phosphate
[1-[2-aminoethoxy(hydroxy)phosphoryl]oxy-3-decoxypropan-2-yl] (Z)-tridec-9-enoate
[1-[2-aminoethoxy(hydroxy)phosphoryl]oxy-3-[(Z)-tridec-9-enoxy]propan-2-yl] decanoate
[1-[2-aminoethoxy(hydroxy)phosphoryl]oxy-3-[(Z)-tetradec-9-enoxy]propan-2-yl] nonanoate
[1-[2-aminoethoxy(hydroxy)phosphoryl]oxy-3-[(Z)-octadec-9-enoxy]propan-2-yl] pentanoate
[1-[2-aminoethoxy(hydroxy)phosphoryl]oxy-3-[(Z)-hexadec-9-enoxy]propan-2-yl] heptanoate
[2-hexanoyloxy-3-[(Z)-tetradec-9-enoxy]propyl] 2-(trimethylazaniumyl)ethyl phosphate
[2-butanoyloxy-3-[(Z)-hexadec-9-enoxy]propyl] 2-(trimethylazaniumyl)ethyl phosphate
[(2R)-2-hydroxy-3-[(E)-icos-13-enoyl]oxypropyl] 2-(trimethylazaniumyl)ethyl phosphate
[(2R)-2-hydroxy-3-[(E)-icos-11-enoyl]oxypropyl] 2-(trimethylazaniumyl)ethyl phosphate
1-(11Z)-icosenoyl-sn-glycero-3-phosphocholine
A 1-icosenoyl-sn-glycero-3-phosphocholine in which the the double bond of the icosenoyl group is at the 11-12 position and has Z configuration.
phosphatidylcholine (0:0/20:1)
A 2-acyl-sn-glycero-3-phosphocholine which carries a monounsaturated 20 carbon fatty acyl group at position 2. The position of unsaturation is unspecified.
lysophosphatidylcholine 20:1
A lysophosphatidylcholine in which the remaining acyl group contains 20 carbons and 1 double bond. If R1 is the acyl group and R2 is a hydrogen then the molecule is a 1-acyl-sn-glycero-3-phosphocholine. If R1 is a hydrogen and R2 is the acyl group then the molecule is a 2-acyl-sn-glycero-3-phosphocholine.
1-icosenoyl-sn-glycero-3-phosphocholine
A lysophosphatidylcholine 20:1 in which the acyl group is located at position 1.
MePC(19:1)
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