Structure of thermoplasmaquinone from Thermoplasma acidophilum |
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| Authors: | Matthew David Collins |
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| Affiliation: | Department of Microbiology, National Institute for Research in Dairying, Shinfield, Reading RG2 9AT, U.K. |
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| Abstract: | Abstract The structure of the methyl-substituted menaquinone (designated thermoplasmaquinone) from the extremely thermophilic and acidophilic archaebacterium Thermoplasma acidophilum was investigated by mass spectrometry and proton nuclear magnetic resonance spectrometry. The results of the present study show that the novel quinone from T. acidophilum corresponds to 2,[5 or 8]-dimethyl-3-heptaprenyl-1,4-naphthoquinone. |
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| Keywords: | Thermoplasmaquinone vitamin K lipids archaebacteria |
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