Table 3.

¹H and ¹³C NMR chemical shifts of the constituents of the O-specific polysaccharides (OPS) of A. veronii strain Bs19. Spectra were recorded in D₂O relative to external acetone as reference (δ_H 2.225, δ_C 31.45).

	Chemical Shifts (ppm)
Sugar Residue		H-1	H-2	H-3	H-4	H-5	H-6
		C-1	C-2	C-3	C-4	C-5	C-6
→3)-α-d-GalpNAc-(1→	A	5.27	4.35	3.95	4.24	4.11	3.75
		98.11	49.15	78.33	69.72	72.30	62.30
→3)-α-l-Rhalp-(1→	B	5.21	4.28	3.87	3.61	3.78	1.33
		102.46	68.34	77.14	71.21	70.71	18.00
→4)-α-d-Quip3NAc-(1→	C	5.05	3.56	4.33	3.52	4.20	1.30
		96.03	71.50	55.09	77.44	68.24	19.00
→4)-β-d-Galp-(1→	D	4.47	3.54	3.77	4.03	3.74	3.75
		106.02	71.45	74.17	77.04	76.06	62.30

Chemical shifts for NAc were δ_H 2.02 and δ_C 23.7/175.6 for A and δ_H 1.97 and δ_C 23.2/175.4 for C.