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  • Title: Anionic polymers of the cell wall of Brevibacterium linens VKM Ac-2159.
    Author: Potekhina NV, Shashkov AS, Streshinskaya GM, Senchenkova SN, Evtushenko LI.
    Journal: Biochemistry (Mosc); 2005 Sep; 70(9):1046-54. PubMed ID: 16266278.
    Abstract:
    Unsubstituted 1,3-poly(glycerol phosphate) and two sugar-1-phosphate polymers were identified in the cell wall of Brevibacterium linens VKM Ac-2159 by NMR spectroscopy and chemical methods. A monomer of one of the sugar-1-phosphate polymers has the branched repeating unit of the following structure: -4)-[beta-D-GlcpNAc-(1-->3)]-alpha-D-Glcp-(1-P-. The repeating unit of another sugar-1-phosphate polymer has a linear structure consisting of alternating beta- and alpha-N-acetylglucosamine residues: -4)-beta-D-GlcpNAc-(1-->6)-alpha-D-GlcpNAc-(1-P-. Some part of the beta-N-acetylglucosaminyl residues bear O-ester-bound succinic acid residues at C-3. The identified sugar-1-phosphate polymers have not been described earlier in cell walls of other bacteria.
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