The Enzyme Database

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Accepted name: poly(ribitol-phosphate) β-glucosyltransferase
Reaction: n UDP-α-D-glucose + 4-O-[(1-D-ribitylphospho)n-(1-D-ribitylphospho)-(2R)-1-glycerophospho]-N-acetyl-β-D-mannosaminyl-(1→4)-N-acetyl-α-D-glucosaminyl-diphospho-ditrans,octacis-undecaprenol = n UDP + 4-O-[(2-β-D-glucosyl-1-D-ribitylphospho)n-(1-D-ribitylphospho)-(2R)-1-glycerophospho]-N-acetyl-β-D-mannosaminyl-(1→4)-N-acetyl-α-D-glucosaminyl-diphospho-ditrans,octacis-undecaprenol
Other name(s): TarQ; UDP glucose-poly(ribitol-phosphate) β-glucosyltransferase; uridine diphosphoglucose-poly(ribitol-phosphate) β-glucosyltransferase; UDP-D-glucose polyribitol phosphate glucosyl transferase; UDP-D-glucose:polyribitol phosphate glucosyl transferase; UDP-glucose:poly(ribitol-phosphate) β-D-glucosyltransferase
Systematic name: UDP-α-D-glucose:4-O-[(1-D-ribitylphospho)n-(1-D-ribitylphospho)-(2R)-1-glycerophospho]-N-acetyl-β-D-mannosaminyl-(1→4)-N-acetyl-α-D-glucosaminyl-diphospho-ditrans,octacis-undecaprenol β-D-glucosyltransferase (configuration-inverting)
Comments: Involved in the biosynthesis of poly ribitol phosphate teichoic acids in the cell wall of the bacterium Bacillus subtilis W23. This enzyme adds a β-D-glucose to the hydroxyl group at the 2 position of the ribitol phosphate units.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 37277-61-5
1.  Chin, T., Burger, M.M. and Glaser, L. Synthesis of teichoic acids. VI. The formation of multiple wall polymers in Bacillus subtilis W-23. Arch. Biochem. Biophys. 116 (1966) 358–367. [PMID: 4960203]
2.  Brown, S., Xia, G., Luhachack, L.G., Campbell, J., Meredith, T.C., Chen, C., Winstel, V., Gekeler, C., Irazoqui, J.E., Peschel, A. and Walker, S. Methicillin resistance in Staphylococcus aureus requires glycosylated wall teichoic acids. Proc. Natl. Acad. Sci. USA 109 (2012) 18909–18914. [DOI] [PMID: 23027967]
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