This insecticidal carbohydrate-binding lectin is toxic for the cowpea weevil. Homotetramer. N-glycosylated on Asn-80; contains xylose. Antibiosis properties of legume lectins are proposed to be due to the lysis of epithelial cells of the intestine by binding to the carbohydrate moieties of these proteins. Belongs to the leguminous lectin family. PHA-L