Purity > 90% as determined by SDS-PAGE. MW: 30.6kDa. Full Length of Mature Protein: 2-135aa. N-terminal 6xHis-SUMO-tagged. Bos taurus (Bovine). Lectin that binds beta-galactoside and a wide array of complex carbohydrates (PubMed:1900835, PubMed:8108426, PubMed:7773775). Plays a role in regulating apoptosis, cell proliferation and cell differentiation. Inhibits CD45 protein phosphatase activity and therefore the dephosphorylation of Lyn kinase. Strong inducer of T-cell apoptosis.