Structures of the tetrahydrogenated menaquinones fromActinomadura angiospora,Faenia rectivirgula,andSaccharothrix australiensis |
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| Authors: | Dr Matthew D Collins Reiner M Kroppenstedt Jin Támaoka Kazuo Komagata Takeshi Kinoshita |
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| Affiliation: | (1) Department of Microbiology, AFRC Institute of Food Researh, Reading Laboratory, Shinfield, RG2 9AT Reading, UK;(2) Deutsche Sammlung von Mikroorganismen, Gesellschaft für Biotechnologische Forschung mGbH, Braunschweig, FRG;(3) Institute of Applied Microbiology, The University of Tokyo, Bunkyo-ku, Tokyo, Japan;(4) Sankyo Analytical and Research Laboratories, Shinagawa-ku, Tokyo, Japan |
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| Abstract: | The structures of the tetrahydrogenated menaquinones fromActinomadura angiospora, Faenia rectivirgula, andSaccharothrix australiensis were determined by mass spectrometry and proton nuclear magnetic resonance spectrometry. The positions of saturation of the tetrahydrogenated menaquinones fromFaenia rectivirgula andSaccharothrix australiensis were units II plus III (counting from the ring system), whereas that ofActinomadura angiospora had units III and VIII hydrogenated. The tetrahydrogenated menaquinones fromFaenia rectivirgula andSaccharothrix australiensis are similar to those characterized from other Gram-positive taxa to date, whereas that fromActinomadura angiospora represents a hitherto unknown isomer. |
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