Characteristics of an oligosaccharide isolated from Micrococcus lysodeikticus (luteus) and apt to transformation into the state of long living free radical at a loss of an electron
V. Binyukov, S. Stepanov, G. Tantsyrev, E. Kharatyan, A. Shashkov, D. Ostrovsky
A. N. Bakh Institute of Biochemistry, Academy of Sciences of the USSR, Moscow; Institute of Energetic Problems of Chemical Physics, Academy of Sciences of the USSR, Moscow; N. D. Zelinsky Institute of Organic Chemistry, Academy of Sciences of the USSR, Moscow
Abstract: A trisaccharide «lysodektose» yielding long living free radical at a loss of an electron, is isolated from Micrococcus lysodeikticus (luteus) cells. Based on the data of isotope substitution and NMR and ESR spectra, the compound is suggested to be 6-O-(2-deoxy-2-(N-methyl)hydroxylamino-β-D-glucopyranosyl)-α,α-trehalose, with the paramagnetic centre localized in the oxydized form of the molecule at the nitroxyl group-containing moiety. Its participation in the producent's antiradical protection and adaptation to the extreme factors of environment is postulated.
Russian Journal of Bioorganic Chemistry 1990, 16 (8):1073-1079