... Nikolay P. Arbatsky2,Alexander S. Shashkov2 and Yuriy A. Knirel21Department of General Microbiology, Institute of Microbiology and Immunology, University of èodzÂ, Poland;2N. D. ZelinskyInstitute ... strains 1 and 4 werestudied using sugar analysis,1Hand13C NMR spectroscopy,including 2D COSY, H-detected1H,13CHMQC ,and rotating-frame N OE s pectroscop y ( ROESY). The followingstructures ... tetrasacchariderepeating unit containing one residue each ofD-Glc and D-Gal and twoD-residues of GalNAc.The1H- and 13C NMR spectra of the polysaccharidewere assigned using 2D COSY, H,H-relayed COSY, and H-detected1H,13CHMQCexperiments(Tables 1and2 ).Signals...