Has antibacterial activity against Gram-negative Klebsiella sp. but not against E.coli, Proteus sp., Salmonella sp. and Xanthomonas sp. or against Gram-positive bacteria S.pyogenes, S.aureus and Rathayibacter sp. Has no antifungal activity. Heterodimer. Small subunit. Large subunit. Belongs to the 2S seed storage albumins family.