Table 2. Binding specificity and haptenic sugars of lectins for profiling of tissue glycosylation.

A haptenic sugar is a monosaccharide or disaccharide that can inhibit binding of a lectin.

Lectin	Binding specificity	Haptenic sugar (100 mM)
SNA-I	Sialic acid-α-(2,6)–Gal(NAc)–R	Lactose
MAA	Sialic acid-α-(2,3)–Gal(NAc)–R	Lactose
WGA	Sialic acid, GlcNAc	GlcNAc
PNA	Gal-β-(1,3)-GalNAc (T antigen), > GalNAc > lactose > Gal, terminal β-Gal, nonsialylated	Gal
GS-I-B4	Terminal α-linked Gal	Gal
Con A	α-Linked Man, GalNAc and GlcNAc	Man
UEA-I	α-(1,2)–Linked fucose	Fucose
WFA	GalNAc and CS	GalNAc