Table 1.

GC-MS analysis of O-TMS ethers of methyl glycosides showing the molar ratios of monosaccharides in the oligosaccharides of HRgpA, RgpA, and LPS of P. gingivalisW50 after methanolysis

OligosaccharideMolar ratio
AraRhaFucManGalGlcGalN(Ac)GlcN(Ac)NANA
HRgpA13.61.7321
RgpA2.41.82.8111.84186.415
LPSa 12.451.81
Core region of LPSb 12.53.7
  • a Two unidentified sugars are also present.

  • b One unidentified sugar (which is also present in LPS).