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MassBank Record: MSBNK-Chubu_Univ-UT001489

Phosphatidylinositol 20:4-20:4; LC-ESI-ITFT; MS2; [M-H]-; RT: 8.47; Exp: 1

Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk)

ACCESSION: MSBNK-Chubu_Univ-UT001489
RECORD_TITLE: Phosphatidylinositol 20:4-20:4; LC-ESI-ITFT; MS2; [M-H]-; RT: 8.47; 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. Journal of Chromatography A 2010, 1217 (25), 4229–39. DOI:10.1016/j.chroma.2010.04.034

CH$NAME: Phosphatidylinositol 20:4-20:4
CH$COMPOUND_CLASS: Natural Product; Glycerophospholipids; Glycerophosphoinositols; Diacylglycerophosphoinositols
CH$FORMULA: C49H79O13P
CH$EXACT_MASS: 906.52583
CH$SMILES: OC(C(O)1)C(C(O)C(O)C(OP(O)(=O)OCC(OC(=O)CCC=CCC=CCC=CCC=CCCCCCC)COC(=O)CCC=CCC=CCC=CCC=CCCCCCC)1)O
CH$IUPAC: InChI=1S/C49H79O13P/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-35-37-42(50)59-39-41(40-60-63(57,58)62-49-47(55)45(53)44(52)46(54)48(49)56)61-43(51)38-36-34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h13-16,19-22,25-28,31-34,41,44-49,52-56H,3-12,17-18,23-24,29-30,35-40H2,1-2H3,(H,57,58)/b15-13-,16-14-,21-19-,22-20-,27-25-,28-26-,33-31-,34-32-/t41?,44-,45-,46+,47-,48-,49-/m1/s1
CH$LINK: INCHIKEY BQGBJGDIIRNCBP-WLQFNMGVSA-N
SP$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: brain

AC$INSTRUMENT: LC-10ADVPmicro HPLC, Shimadzu; LTQ Orbitrap, Thermo Scientific
AC$INSTRUMENT_TYPE: LC-ESI-ITFT
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$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$CHROMATOGRAPHY: RETENTION_TIME 8.36 min (in paper: 8.5 min)
AC$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$FOCUSED_ION: PRECURSOR_M/Z 905.52
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$DATA_PROCESSING: WHOLE Xcalibur ver-2.0

PK$SPLASH: splash10-0udi-0013409000-eaab57fd769e17f8abb9
PK$ANNOTATION: m/z num type mass error(ppm) formula
  303.07 1 [fa(20:4)-H]- 303.2324052393 -535 C20H31O2-
  619.14 2 [lyso_PI(-,20:4)]- 619.288338516 -239 C29H48O12P-
  619.14 2 [lyso_PI(20:4,-)]- 619.288338516 -239 C29H48O12P-
PK$NUM_PEAK: 13
PK$PEAK: m/z int. rel.int.
  296.93 34.1 176
  303.07 80.5 416
  304.26 15.2 79
  433.36 7.9 41
  439.03 81.9 424
  439.66 26.4 137
  577.13 13.0 67
  600.92 193.1 999
  602.33 20.8 108
  618.51 16.4 85
  619.14 10.1 52
  619.98 6.9 36
  823.64 22.5 116
//

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