Structure of a novel glucosamine-containing phosphoglycolipid from Deinococcus radiodurans.
The structure of a major novel lipid from Deinococcus radiodurans has been determined to be 2'-O-(1,2-diacyl-sn-glycero-3-phospho)-3'-O-(alpha-N-acetylglucosaminyl) -N- glyceroyl alkylamine. The lipid was shown to contain a phosphatidic acid backbone by digestion with phospholipase A2 and by hydrolysis with hydrofluoric acid. Using a combination of chemical and NMR spectroscopic techniques, the structure of this lipid was elucidated and compared with that of a similar phosphoglycolipid reported earlier (Anderson, R., and Hansen, K. (1985) J. Biol. Chem. 260, 12219-12223) in which galactose was found in place of N-acetylglucosamine. The fatty acid compositions of the two lipids were similar.[1]References
- Structure of a novel glucosamine-containing phosphoglycolipid from Deinococcus radiodurans. Huang, Y., Anderson, R. J. Biol. Chem. (1989) [Pubmed]
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