Mannose-specific lectin. Shows agglutinating activity towards rabbit erythrocytes, but not human erythrocytes. Has insecticidal activity against the cotton leafworm S.littoralis and the peach potato aphid M.persicae. Homodimer. Leaf agglutinin. Root agglutinin. Controls hyperglycemia in diabetic mice. Also shows some insulin mimetic effects in vitro, including activation of tyrosine kinase, PI3 kinase and stimulation of nitric oxide synthesis.