RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0088252
RefMet namePS 21:0/21:0
Alternative namePS(21:0/21:0)
Systematic name1-2-di-heneicosanoyl-sn-glycero-3-phosphoserine
SynonymsPubChem Synonyms
Sum CompositionPS 42:0 View other entries in RefMet with this sum composition
Exact mass875.661537 (neutral)
Calculate m/z:   
View other RefMet entries with this exact (neutral) mass:   +/- 0.05 amu   +/- 0.1 amu   +/- 0.2 amu   +/- 0.5 amu
FormulaC48H94NO10PView other entries in RefMet with this formula
Molecular descriptors
Molfile17252 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C48H94NO10P/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-35-37-39-46(50)56-41-44(42-57-60(54,55)58-43-45(49)48(52)53)59
-47(51)40-38-36-34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h44-45H,3-43,49H2,1-2H3,(H,52,53)(H,54,55)/t44-,45+/m1/s1
InChIKeyRDCLYYGRIQMUIL-UVTBUIGASA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCCCCCC(=O)OC[C@H](COP(=O)(O)OC[C@@H](C(=O)O)N)OC(=O)CCCCCCCCCCCCCCCCCCCC
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassGlycerophospholipids
Main ClassGlycerophosphoserines
Sub ClassPS (Phosphatidylserines)
Distribution of PS 21:0/21:0 in NMDR studies
SpeciesPlot Species distribution
Sample sourcePlot Sample source(tissue) distribution
PlatformPlatform (MS/NMR) used for detection
ChromatographyChromatography methods used for detection
StudiesNMDR Studies reporting PS 21:0/21:0
External Links
Pubchem CID52925961
LIPID MAPSLMGP03010851
KEGG IDC02737
Structural annotation level
Annotation level1   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)

Table of KEGG reactions in human pathways involving PS 21:0/21:0

Rxn IDKEGG ReactionEnzyme
R02055 Phosphatidylserine <=> Phosphatidylethanolamine + CO2Phsophatidyl-L-serine carboxy-lyase
R04034 Phosphatidylserine + H2O <=> 2-Acyl-sn-glycero-3-phosphoserine + Fatty acid3-sn-phosphatidyl-L-serine sn-1 acylhydrolase
R07376 Phosphatidylethanolamine + L-Serine <=> Phosphatidylserine + EthanolamineL-1-phosphatidylethanolamine:L-serine phosphatidyltransferase
R07377 Phosphatidylcholine + L-Serine <=> Phosphatidylserine + CholinePhosphatidylcholine + L-Serine <=> Phosphatidylserine + Choline
R09035 Acyl-CoA + 1-Acyl-sn-glycero-3-phosphoserine <=> CoA + Phosphatidylserineacyl-CoA:1-acyl-sn-glycero-3-phosphoserine O-acyltransferase

Table of KEGG human pathways containing PS 21:0/21:0

Pathway IDHuman Pathway# of reactions
hsa00564 Glycerophospholipid metabolism 5
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