LBGPEccp:R:R:YS2ANe005

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GlcNAca/b1-3Xyla-4Galb1-3GalNAca1-4(NeuAc?1-2NeuGc4Mea1-3)GalNAcb1-4(EtnP-6)GlcNAcb1-3Manb1-4Glcb1-1Cer
LBGPEccp:R:R:YS2ANe005.png
Structural Information
L-a-phosphatidylethanolamine
  • osphatidylethanolamine cephalin ethanolaminephosphoglyceride (3-sn-phosphatidyl) ethanolamine L-a-phosphatidylethanolamine
Formula
Exact Mass
Average Mass
SMILES
Physicochemical Information
196°C 2455; dimyristoyl-PE, 175-177°C 2456/2457; dipalmitoyl-PE, 172-175°C 2456/2457 210-211°C 2469 dipalmitoyl-DL-, 211°C 2469; distearoyl-PE, 172-173.5°C 2456/2457; dioleoyl-PE, 195-200°C 2469; dielaidoyl-PE, 193°C 2469; 1-palmitoyl-2-oleoyl-PE, 194-196°C 2471
Insoluble in water. Natural PE is soluble in MeOH, EtOH, CHClSUBFONT SIZE=-13/FONT/SUB, benzene, ether, and petroleum ether, and insoluble in acetone. At 20°C, synthetic PEs are insoluble (=1mg/100 ml of dry solvent) in acetone, ether, petroleum ether, and ethyl acetate; moderately soluble (20-100 mg/100 ml of dry solvent) in EtOH, pyridine, benzene, and CClSUBFONT SIZE=-14/FONT/SUB; readily soluble ( 1g/100 ml of solvent) in CHClSUBFONT SIZE=-13/FONT/SUB 2455/2456/2457.
Spectral Information
Mass Spectra Negative ion mass spectrum during the elution of 1-stearol-2-arachidonyl-PE in a sample of rat liver PE. A Fisons VG Platform II single quadrupole mass spectrometer, fitted with an electrospray ion source operated at atmospheric pressure, was used for the identification of components eluting from the column. Nitrogen was used as nebulizer gas and as curtain gas. The capillary voltage was set to 3.0 kV and the cone voltage to 100 V
LBGPEccp:R:R:YS2ANe005SP0004.gif
2462.,
UV Spectra Maximum absorbance at 205 nm 2458.
IR Spectra Fourier transform IR spectra for dimyristoyl-PE in the dry state (anhydrous), either in the pure state (A, C and E) or in the presence of 20 mol% of FONT FACE=Symbola/FONT-tocopherol (B, D and F). Ester C=O stretching vibration mode region,1800-1700 cmSUPFONT SIZE=-1-/FONT/SUPSUPFONT SIZE=-11/FONT/SUP; CHSUBFONT SIZE=-12/FONT/SUB deformation, scissoring band region, 1500-1400 cmSUPFONT SIZE=-1-/FONT/SUPSUPFONT SIZE=-11/FONT/SUP; headgroup POSUBFONT SIZE=-12/FONT/SUBSUPFONT SIZE=-1-/FONT/SUP phosphate band region, 1350-1150 cmSUPFONT SIZE=-1-/FONT/SUPSUPFONT SIZE=-11/FONT/SUP
LBGPEccp:R:R:YS2ANe005SP0001.gif
2459.
NMR Spectra SUPFONT SIZE=-11/FONT/SUPH-NMR spectrum of PE. Varian VXR500 spectrometer operating at 500 MHz for protons, using CHClSUBFONT SIZE=-13/FONT/SUB as the lock signal
LBGPEccp:R:R:YS2ANe005SP0002.gif
2460./BRSUPFONT SIZE=-13/FONT/SUPSUPFONT SIZE=-11/FONT/SUPP NMR spectrum of a PE (left) and a PC (right) fraction from bovine brain. Varian Unity 300 spectrometer operating at121.42 MHz using 1% HSUBFONT SIZE=-13/FONT/SUBPOSUBFONT SIZE=-14/FONT/SUB as external standard
LBGPEccp:R:R:YS2ANe005SP0003.gif
2461.,
Other Spectra
Chromatograms 2 dimensional TLC
LBGPEccp:R:R:YS2ANe005CH0001.gif
2463/BRHPLC, Hewlett-Packard Model 1050 HPLC system, UV absorbance 205nm, Hewlett-Packard Model 3396 series II integrator, HP Hypersil C18 (200 x 2.1x 5 FONT FACE=Symbolm/FONTm) column
LBGPEccp:R:R:YS2ANe005CH0002.gif
2464/BR HPLC for intact PE molecular species. Molecular species of approxymately 50 nmol of PE were separated on two 250 x 4 mm Lichrospher RP-18 endcapped columns in series (Merck, Darmstadt, Germany). Isocratic elution was performed with a solvent consisting of acetonitrile-methanol 3:7 (v/v) containing 5 FONT FACE=Symbolm/FONTM ethanolamine, or a solvent consisiting of acetonitrile-methanol 2:3 (v/v) containing 2 FONT FACE=Symbolm/FONTM ethanolamine at a flow rate of 1.25 ml/min. The column effuluent was monitored at 206 nm using LKB 2251 Uvicord (Pharmacia, Upsala, Sweden) and subsequent ELSD was performed using a Varex MKIII obtained from Alltech, (Deerfield, IL) operating at a gas flow rate of 1.9 l/ml and a drift tube temperature of 100°C
LBGPEccp:R:R:YS2ANe005CH0003.gif

LBGPEccp:R:R:YS2ANe005FT0001.gif
2462.,
Reported Metabolites, References
Biospecies ID Compound Name Reference Comment
n.a. LBGPEccp:R:R:YS2ANe005 See above. Baer_E et al. 1952
n.a. LBGPEccp:R:R:YS2ANe005 See above. Billimoria_JD et al. 1968
n.a. LBGPEccp:R:R:YS2ANe005 See above. Blough_HA et al. 1973
n.a. LBGPEccp:R:R:YS2ANe005 See above. Brouwers_JF et al. 1999
n.a. LBGPEccp:R:R:YS2ANe005 See above. Esko_JD et al. 1980
n.a. LBGPEccp:R:R:YS2ANe005:01 Hsieh_C_H et al. 1995
n.a. LBGPEccp:R:R:YS2ANe005 See above. Kates_M 1964
n.a. LBGPEccp:R:R:YS2ANe005 See above. Kates_M 1970
n.a. LBGPEccp:R:R:YS2ANe005 See above. Lertsiri_S et al. 1998
n.a. LBGPEccp:R:R:YS2ANe005 See above. Ma_YC et al. 1995
n.a. LBGPEccp:R:R:YS2ANe005 See above. Malewicz_B et al. 1996
n.a. LBGPEccp:R:R:YS2ANe005 See above. Rosenthal_AF 1975
n.a. LBGPEccp:R:R:YS2ANe005 See above. Salgado_J et al. 1995
n.a. LBGPEccp:R:R:YS2ANe005 See above. Slotboom_AJ et al. 1970
n.a. LBGPEccp:R:R:YS2ANe005 See above. Vance_DE et al. 1981
n.a. LBGPEccp:R:R:YS2ANe005 See above. Wang_Y et al. 1995