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Categories: Peptides & Proteins / Proteins

Product name			Vicia villosa (VVL/VVA) (Semi-Pure)
Catalog No			USB-518935
Supplier’s Catalog No			518935
Supplier			US Biologicals
Source antigen			Hairy vetch
Reactivity
Cross reactivity
Applications
Molecular weight			144

Storage			-20°C
Other names
Grade
Purity			Semi-Pure
Form			Supplied as a lyophilized powder.
Reactivity life			2 years
Note			For reserch purpose only
Purity			Semi-Pure
Description			Fractionated Vicia villosa lectin or agglutinin (VVL/VVA) is a tetramer composed of four subunits. VVL consists of A and B subunits, with a dominant isolectin that appears to be B subunit-rich. A4 isolectin agglutinates specifically A1 erythrocytes. B4 isolectin does not agglutinate A, B, or O-erythrocyteshowever, B4 binds the Tn antigen, a molecule expressed on the surface of most tumor cells. A2B2 and similar tetramer isolectins display properties characteristic of both A4 and B4 isolections. Source: Hairy vetch Blood Specificity: Tn Antigen Sugar Specificity: N-Acetylgalactosamine Inhibitory Carbohydrate: N-Acetylgalactosamine Divalent Ions: Ca++, Mn++ Storage and Stability: Lyophilized powder may be stored at -20°C. Stable for 12 months after receipt at -20°C. Reconstitute with sterile buffer or ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.