MassBank Record: UT001713



 Phosphatidylserine 18:0-20:2; LC-ESI-ITFT; MS3; [M-H]-/[M-Ser]-; RT: 35.65; Exp: 1 
Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk) \n

ACCESSION: UT001713
RECORD_TITLE: Phosphatidylserine 18:0-20:2; LC-ESI-ITFT; MS3; [M-H]-/[M-Ser]-; RT: 35.65; Exp: 1
DATE: 2016.01.19 (Created 2010.05.07, modified 2011.08.03)
AUTHORS: Taguchi R, Graduate School of Medicine, The University of Tokyo.
LICENSE: CC BY-NC-SA
PUBLICATION: Taguchi, R.; Ishikawa M.; Precise and global identification of phospholipid molecular species by an Orbitrap mass spectrometer and automated search engine Lipid Search. J Chromatogr A (2010), doi:10.1016/j.chroma.2010.04.034 (in press)

CH$NAME: Phosphatidylserine 18:0-20:2 CH$COMPOUND_CLASS: Natural Product; Glycerophospholipids; Glycerophosphoserines; Diacylglycerophosphoserines CH$FORMULA: C45H84NO9P CH$EXACT_MASS: 813.58837 CH$SMILES: C(OC(CCCCCCCCCCCCCCCCC)=O)C(COP(O)(=O)OCC(N)C(C)=O)OC(=O)CCC=CCC=CCCCCCCCCCCCC CH$IUPAC: InChI=1S/C45H84NO9P/c1-4-6-8-10-12-14-16-18-20-21-23-25-27-29-31-33-35-37-45(49)55-42(39-53-56(50,51)54-40-43(46)41(3)47)38-52-44(48)36-34-32-30-28-26-24-22-19-17-15-13-11-9-7-5-2/h25,27,31,33,42-43H,4-24,26,28-30,32,34-40,46H2,1-3H3,(H,50,51)/b27-25-,33-31- SP$SCIENTIFIC_NAME: Mus musculus SP$NAME: mouse SP$LINEAGE: cellular organisms; Eukaryota; Fungi/Metazoa group; Metazoa; Eumetazoa; Bilateria; Coelomata; Deuterostomia; Chordata; Craniata; Vertebrata; Gnathostomata; Teleostomi; Euteleostomi; Sarcopterygii; Tetrapoda; Amniota; Mammalia; Theria; Eutheria; Euarchontoglires; Glires; Rodentia; Sciurognathi; Muroidea; Muridae; Murinae; Mus SP$LINK: NCBI-TAXONOMY 10090 SP$SAMPLE: brain
AC$INSTRUMENT: LC-10ADVPmicro HPLC, Shimadzu; LTQ Orbitrap, Thermo Scientific AC$INSTRUMENT_TYPE: LC-ESI-ITFT AC$MASS_SPECTROMETRY: MS_TYPE MS3 AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE AC$MASS_SPECTROMETRY: COLLISION_ENERGY 30% AC$MASS_SPECTROMETRY: ION_SPRAY_VOLTAGE 3500 V AC$MASS_SPECTROMETRY: IONIZATION ESI AC$CHROMATOGRAPHY: COLUMN_NAME Develosil C30, Nomura Chemical AC$CHROMATOGRAPHY: FLOW_GRADIENT add 95/5 at 0 min, 70/30 at 40 min, 50/50 at 41 min, 50/50 at 90 min AC$CHROMATOGRAPHY: FLOW_RATE add 100 uL/min AC$CHROMATOGRAPHY: RETENTION_TIME 36.22 min (in paper: 35.7 min) AC$CHROMATOGRAPHY: SOLVENT A acetonitrile-methanol-water (19:19:2) with 0.1% acetic acid and 0.1% ammonium hydroxide (28%) AC$CHROMATOGRAPHY: SOLVENT B 2-propanol with 0.1% acetic acid and 0.1% ammonium hydroxide (28%)
MS$FOCUSED_ION: PRECURSOR_M/Z 814.56/727.08 MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-/[M-Ser]- MS$DATA_PROCESSING: WHOLE Xcalibur ver-2.0
PK$SPLASH: splash10-014i-0012900000-c3d2e23905579f692bd2 PK$ANNOTATION: m/z num ( type mass error(ppm) formula ) 437.28 1 [lyso PS(18:0,-)]- 437.2668152129 30 C21H42O7P- 419.09 1 [lyso PS(18:0,-)-H2O]- 419.2562505266 -396 C21H40O6P- 307.26 1 [fa(20:2)-H]- 307.2637053677 -11 C20H35O2- 283.13 1 [fa(18:0)-H]- 283.2637053677 -471 C18H35O2- PK$NUM_PEAK: 9 PK$PEAK: m/z int. rel.int. 283.13 32.1 326 307.26 36.1 367 309.71 6.8 69 416.96 9.6 98 419.09 98.3 999 420.13 5.9 60 437.28 19.2 195 442.25 8.5 86 445.20 7.3 74 //