Table 2. Conformational characteristics of hu3S193-bound Le^y tetrasaccharides.

Fab-Ley complex	Fucα1-2Gala		Galβ1-4GlcNAc		Fucα1-3GlcNAc
	φ	ψ	φ	ψ	φ	ψ
1S3K	−78.1	140.4	−77.6	139.2	−77.8	−103.4
Fab1	−74.8	132.9	−78.1	134.2	−77.5	−102.5

^aThe glycosidic dihedral angles φ and ψ (°) are defined as O5−C1−O1−C_x and C1−O1−C_x−C_x−1, respectively. Values of glycosidic dihedrals for other free and bound Lewis system oligosaccharides were previously reported [26].