Record Information
Version1.0
StatusDetected and Quantified
Creation Date2021-11-19 04:41:59 UTC
Update Date2022-08-31 22:34:40 UTC
Metabolite IDMMDBc0033274
Metabolite Identification
Common NamePC(16:0/18:0)
DescriptionPC(16:0/18:0) is a phosphatidylcholine (PC or GPCho). It is a glycerophospholipid in which a phosphorylcholine moiety occupies a glycerol substitution site. As is the case with diacylglycerols, glycerophosphocholines can have many different combinations of fatty acids of varying lengths and saturation attached at the C-1 and C-2 positions. Fatty acids containing 16, 18 and 20 carbons are the most common. PC(16:0/18:0), in particular, consists of one chain of palmitic acid at the C-1 position and one chain of stearic acid at the C-2 position. The palmitic acid moiety is derived from fish oils, milk fats, vegetable oils and animal fats, while the stearic acid moiety is derived from animal fats, coco butter and sesame oil. Phospholipids, are ubiquitous in nature and are key components of the lipid bilayer of cells, as well as being involved in metabolism and signaling.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.
Structure
Synonyms
ValueSource
(2R)-3-(Palmitoyloxy)-2-(stearoyloxy)propyl 2-(trimethylammonio)ethyl phosphateChEBI
1-Palmitoyl-2-stearoyl-GPCChEBI
1-Palmitoyl-2-stearoyl-GPC (16:0/18:0)ChEBI
1-Palmitoyl-2-stearoyl-sn-glycero-3-phosphorylcholineChEBI
1-Palmitoyl-2-stearoylphosphatidylcholineChEBI
GPC(16:0/18:0)ChEBI
GPCho(16:0/18:0)ChEBI
GPCho(34:0)ChEBI
PC(34:0)ChEBI
Phosphatidylcholine(16:0/18:0)ChEBI
Phosphatidylcholine(34:0)ChEBI
(2R)-3-(Palmitoyloxy)-2-(stearoyloxy)propyl 2-(trimethylammonio)ethyl phosphoric acidGenerator
LecithinHMDB
1-Palmitoyl-2-stearoyl-sn-glycero-3-phosphocholineHMDB
1-Hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholineHMDB
1-Palmitoyl-2-stearoyl-sn-glycero-phosphatidylcholineHMDB
GPC(34:0)HMDB
PSPCHMDB
PC(16:0/18:0)Lipid Annotator
Molecular FormulaC42H84NO8P
Average Mass762.092
Monoisotopic Mass761.593455181
IUPAC Name(2-{[(2R)-3-(hexadecanoyloxy)-2-(octadecanoyloxy)propyl phosphono]oxy}ethyl)trimethylazanium
Traditional Name(2-{[(2R)-3-(hexadecanoyloxy)-2-(octadecanoyloxy)propyl phosphono]oxy}ethyl)trimethylazanium
CAS Registry Number8002-43-5
SMILES
[H][C@@](COC(=O)CCCCCCCCCCCCCCC)(COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCC
InChI Identifier
InChI=1S/C42H84NO8P/c1-6-8-10-12-14-16-18-20-21-23-25-27-29-31-33-35-42(45)51-40(39-50-52(46,47)49-37-36-43(3,4)5)38-48-41(44)34-32-30-28-26-24-22-19-17-15-13-11-9-7-2/h40H,6-39H2,1-5H3/t40-/m1/s1
InChI KeyPZNPLUBHRSSFHT-RRHRGVEJSA-N