Galactose-binding lectin (PubMed:21889532, PubMed:23652482). Exhibits hemagglutination activity in a calcium- and magnesium-dependent manner (PubMed:23652482). Also binds to several carbohydrates including lactose, D-galactose and GalNAc in a calcium- and magnesium-dependent manner (PubMed:23652482). Likely to have antifungal activity as it is able to inhibit the activity of the A.flavus alpha-amylase (PubMed:24460654). Heterotetramer consisting of heterodimers of alpha and beta chains. Belongs to the leguminous lectin family.