Table 2.

Selected inter-residue NOE and ³J_H,C connectivities from the anomeric atoms of ([ECA]-dLOS) dodecasaccharide isolated from S. sonnei phase II LOS

Data indicating the covalent linkage between ECA and LOS are shown in boldface type.

Residue	Description	Atom δH/δC (ppm)	Connectivity to		Inter-residue atom/residue
			δC	δH
B	→3)-l-α-d-Hepp4PPEtn-(1→	5.20/100.1	−	4.17a	H-5 of A
C	→3,7)-l-α-d-Hepp4P-(1→	5.10/103.5	78.5	4.08a	C-3, H-3 of B
D	l-α-d-Hepp-(1→	4.98/100.2	68.5	3.59/3.74a	C-7, H-7a, H-7b of C
E	→3)-α-d-Glcp-(1→	5.20/102.0	−	4.12	H-3 of C
F	→2,3)-α-d-Glcp-(1→	5.80/95.3	−	4.07	H-3 of E
F′	→2,3)-α-d-Glcp-(1→b	5.81/95.1	−	4.07	H-3 of E
G	→2)-α-d-Galp-(1→	5.61/92.1	−	3.87a	H-2 of F
H	α-d-Galp-(1→	5.31/96.6	−	3.97a	H-2 of G
I	→3)-β-d-Glcp-(1→	4.73/103.1	78.7	4.17	H-3 of F
I′	β-d-Glcp-(1→c	4.75/103.1	78.8	4.19	H-3 of F′
J	→4)-β-d-GlcpNAc-(1→	4.78/102.3	85.3	3.68	H-3 of I
K	→4)-β-d-ManpNAcA-(1→	4.93/99.7	79.4	3.69a	H-4 of J
L	α-d-Fucp4NAc-(1→	5.35/99.5	74.7	3.81	H-4 of K

^a Value represents NOE connectivities only.

^b Residue F′ is a variant of residue F present in the core OS that is devoid of ECA trisaccharide.

^c Residue I′ is a terminal residue I present in the core OS that is devoid of ECA trisaccharide.