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Isolation and Biochemical Characterization of Mannose-Specific Lectin from Georgian Endemic Plant Polygonatum obtusifolium Miscz. rhizomes

From the Georgian endemic medicinal plant Polygonatum obtusifolium Miscz. rhizomes hemagglutinin (lectin SABA-1) was separated and partially purified. It was revealed that minimal hemagglutinating activity of lectin is 0.01 mg/ml. SABA-1 is a thermostable protein and maintains hemagglutinating activity during 15 min incubation at 60 o C. Hemagglutinating activity of lectin SABA- 1 is inhibited by mannose, -methylmannopyranozide and N-acethyl-D-glucosamine. Lectin SABA-1 belongs to the mannose-specific lectins class. © 2012 Bull. Georg. Natl. Acad. Sci.