Saccharide binding protein of non-immune origin.
Note: Some lectins participate in immune response, but they are not products of primary immune response. Lectins also do not display catalytic activity towards their ligands; the binding of carbohydrate is reversible and highly specific.
See: glycoprotein
Source:
PAC, 2018, 90, 1121. 'Terminology of bioanalytical methods (IUPAC Recommendations 2018)' on page 1174 (https://doi.org/10.1515/pac-2016-1120)