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Ether type lipid


DATA No : EEL0002 INFORMANT : Yosuke Koga

NAME :

COMMON NAME: caldarchaetidic acid/tetraether analog of phosphatidic acid(Ref. 0001)
SYMBOL: CA(Ref. 0001)
FORMULA: C86H173O9P MOL.WT (average) : 1382.262

BIOLOGICAL ACTIVITY

PHYSICAL AND CHEMICAL PROPERTIES
MELTING POINT:

BOILING POINT:

REFRACTIVE INDEX:

OPTICAL ROTATION:

DENSITY:

SOLUBILITY:
SPECTRAL DATA
UV SPECTRA:

IR SPECTRA:-OH, 3400, 1040cm-1; -CH2-, 2830-2960, 1460, 1375cm-1; ether C-O-C, 1110 cm-1; P=O, P-0, P-O-C, 1210, 1100, 1050cm-1; absence of -CH(CH3)2, 1360cm-1(Ref. 0001)

NMR SPECTRA:31P-NMR: 0.92 ppm (pH1.6); 1.36 ppm (pH3.8); 2.05ppm (pH7.5); 5.30ppm (pH10.1); 5.66ppm (pH12.8)(Ref. 0001)

MASS SPECTRA:FAB m/z 1381.9 (M+1)+

OTHER SPECTRA:
CHROMATOGRAM DATA
TLC chloroform-methanol-14M aqueous ammonia (60:35:8) Rf=0.45; chloroform-methanol-acetic acid-water (85:30:15:5) Rf=0.88(Ref. 0001)
SOURCE
Methanobacterium thermoautotrophicum(Ref. 0001)
CHEMICAL SYNTHESIS

METABOLISM

GENETIC INFORMATION

NOTE

REFERENCES
[0001]
AUTHOR:Nishihara,M., and Koga,Y.
TITLE:Natural Occurrence of Archaetidic Acid and Caldarchaetidic Acid (Di- and Tetra-ether Analogues of Phosphatidic Acid) in the Archaebacterium Methanobacterium thermoautotrophicum.
JOURNAL:Biochem. Cell Biol.
VOL:68 PAGE : 91 -95 (1990)
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Last updated June 19, 2007. Copyright © 1989-2007 Japanese Conference on the Biochemistry of Lipids (JCBL). All rights reserved.