Ether type lipid

DATA No : EEL0009 INFORMANT : Yosuke Koga

NAME : 2-O-(3'-hydroxy-3',7',11',15'-tetramethyl)hexadecyl-3-O-(3',7',11',15'-tetramethyl)hexadecyl-sn-glycerol/ 2-O-(3'-hydroxy)phytanyl-3-O-phytanyl-sn-glycerol

COMMON NAME	:	b-hydroxyarchaeol(Ref. 0003)
SYMBOL	:	b-OH-ArOH(Ref. 0003)
FORMULA	:	C₄₃H₈₈O₄ MOL.WT (average) : 669.156

BIOLOGICAL ACTIVITY

PHYSICAL AND CHEMICAL PROPERTIES

MELTING POINT	:

BOILING POINT	:

REFRACTIVE INDEX	:

OPTICAL ROTATION	:	[a]_D=+5.65 degree

DENSITY	:

SOLUBILITY	:

SPECTRAL DATA

UV SPECTRA	:

IR SPECTRA	:

NMR SPECTRA	:	¹³C-NMR, 67.49 (C1 sn-2), 70.23 (C1 sn-3), 39.97 (C2 sn-2), 36.59 (C2 sn-3), 72.47 (C3 sn-2), 29.92 (C3 sn-3), 43.12 (C4 sn-2), 37.31-37.48 (C4 sn-3), 21.49 (C5 sn-2), 24.39 (C5 sn-3), 26.66 (C17 sn-2), 19.76-19.71 (C17 sn-3). Carbon numbers of the hydrocarbon chains are shown.

MASS SPECTRA	:	positive FAB m/z 691 ([M+Na]); GC-MS of acetylated derivative m/z 397 (M-OC₂₀H₄₀OCOCH₃), m/z 355 (OC₂₀H₄₀OCOCH₃)

OTHER SPECTRA	:

CHROMATOGRAM DATA

TLC, light petroleum-ethyl ether-acetic acid (50:50:1) Rf=0.19 (Ref. 0003)chromatogram:
[Chromatogram 0003](Ref. 0003)

SOURCE

Methanosarcina barkeri(Ref. 0003), Methanosarcina mazei(Ref. 0011), Methanococcus vannielii(Ref. 0121), Methanococcus voltae(Ref. 0121), Methanolobus tindarius(Ref. 0121), Methanohalophilus mahii(Ref. 0121)

CHEMICAL SYNTHESIS

METABOLISM

GENETIC INFORMATION

NOTE

REFERENCES

[0003]

AUTHOR	:	Nishihara,M., and Koga,Y.
TITLE	:	Hydroxyarchaetidylserine and Hydroxyarchaetidyl-myo-Inositol in Methanosarcina barkeri: Polar Lipids with a New Ether Core Portion. PubMed ID:1901027
JOURNAL	:	Biochim. Biophys. Acta
VOL	:	1082 PAGE : 211 -217 (1991)

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[0011]

AUTHOR	:	Sprott, G. D., Ekiel, I., and Dicaire, C.
TITLE	:	Novel, acid-labile, hydroxydiether lipid cores in methanogenic bacteria PubMed ID:2380184
JOURNAL	:	J Biol Chem.
VOL	:	265 PAGE : 13735-13740 (1990)

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[0121]

AUTHOR	:	Koga,Y., Akagawa-Matsushita,M., Ohga,M., and Nishihara,M.
TITLE	:	Taxonomic Significance of the Distribution of Component Parts of Polar Ether Lipids in Methanogens.
JOURNAL	:	System. Appl. Microbiol.
VOL	:	16 PAGE : 342 -351 (1993)

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