Biochem/physiol Actions
SNA is isolated from the inner bark (bast tissue) of elder stems and branches. The lectin is not blood group specific but has an affinity for α-NeuNAc-[2→6]-Gal, α-NeuNAc-[2→6]-GalNAc, and, to a lesser extent, α-NeuNAc-[2→3]-Gal residues.
