Medicago AB Products Are Available Worldwide. For Research Use Only. Crotalaria Juncea Lectin is isolated from Sunn Hemp seeds by affinity chromatography. It has a molecular weight of 124 kDa and is composed of four identical polypeptide chains of 31 kDa each. The lectin is a glycoprotein that displays specificity toward β-galactosides and interacts with serum glycoproteins, cytochrome b5 and virus surface glycoproteins such as BVDV, influenza and bovine diarrhea. Crotalaria Juncea Lectin is supplied without additives as a white to yellowish-white lyophilized powder. For laboratory use only.