ACCESSION: MSBNK-Chubu_Univ-UT003022
RECORD_TITLE: Phosphatidylcholine 18:0-18:2; LC-ESI-ITFT; MS3; [M+CH3COO]-/[M-CH3]-; RT: 27.47; Exp: 3
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. Journal of Chromatography A 2010, 1217 (25), 4229–39. DOI:10.1016/j.chroma.2010.04.034

CH$NAME: Phosphatidylcholine 18:0-18:2
CH$COMPOUND_CLASS: Natural Product; Glycerophospholipids; Glycerophosphocholines; Diacylglycerophosphocholines
CH$FORMULA: C₄₄H₈₄NO₈P
CH$EXACT_MASS: 785.59346
CH$SMILES: C(CCCCCC=CCC=CCCC(=O)OC(COP(OCC[N+1](C)(C)C)([O-1])=O)COC(CCCCCCCCCCCCCCCCC)=O)CCCC
CH$IUPAC: InChI=1S/C44H84NO8P/c1-6-8-10-12-14-16-18-20-22-24-26-28-30-32-34-36-43(46)50-40-42(41-52-54(48,49)51-39-38-45(3,4)5)53-44(47)37-35-33-31-29-27-25-23-21-19-17-15-13-11-9-7-2/h25,27,31,33,42H,6-24,26,28-30,32,34-41H2,1-5H3/b27-25-,33-31-
CH$LINK: INCHIKEY BHAATSGDDOXMJD-FOXSRGEXSA-N
SP$SCIENTIFIC_NAME: Mus musculus
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: liver

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$CHROMATOGRAPHY: RETENTION_TIME 27.48 min (in paper: 27.5 min)
AC$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$FOCUSED_ION: PRECURSOR_M/Z 844.43/770.26
MS$FOCUSED_ION: PRECURSOR_TYPE [M+CH3COO]-/[M-CH3]-
MS$DATA_PROCESSING: WHOLE Xcalibur ver-2.0

PK$SPLASH: splash10-004i-0090010000-18df1c2ba1662af4480a
PK$ANNOTATION: m/z num type mass error(ppm) formula
  279.06 1 [fa(18:2)-H]- 279.2324052393 -616 C18H31O2-
  283.24 1 [fa(18:0)-H]- 283.2637053677 -83 C18H35O2-
  490.17 1 [lyso_PC(18:0,-)-H2O]- 490.3297498207 -325 C25H49NO6P-
  504.09 1 [lyso_PC(-,18:2)]- 504.3090143786 -433 C25H47NO7P-
  508.08 1 [lyso_PC(18:0,-)]- 508.340314507 -511 C25H51NO7P-
PK$NUM_PEAK: 14
PK$PEAK: m/z int. rel.int.
  223.76 377.1 3
  242.23 203.6 2
  242.96 61.0 1
  259.26 96.3 1
  261.19 669.4 6
  279.06 118338.1 999
  279.70 722.2 6
  283.24 43070.9 364
  485.93 622.1 5
  490.17 1631.1 14
  504.09 2078.1 18
  508.08 19542.2 165
  508.75 61.1 1
  698.74 88.0 1
//