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bioWORLD is a global leader in manufacturing and supplying a wide range of products for life science research. With over 25 years of experience, they have focused on providing quality products and excellent customer service. Their diverse customer base includes hospitals, public health institutions, commercial laboratories, biotechnology companies, pharmaceutical firms, universities, and research institutions. Website : www.bio-world.com
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![Sambucus nigra Lectin (SNA/EBL I+II)](https://www.clinisciences.com/en/upload/thumbs/sambucus-nigra-elderberry-lectin-ukeftc-17c6fd.jpg)
Sambucus nigra Lectin (SNA/EBL I+II)
Sambucus nigra lectin (EBL I+II, also known as SNA) is isolated from elderberry bark. This lectin has a molecular weight of 140 kDa and is composed of two ricin-related lectins. EBL I+II is a tetrameric glycoprotein with a recognition of the Neu5Ac(alpha2-6)Gal or GalNAc linkage in glycoconjugates.
EBL I+II is not blood group specific but it does agglutinate type A erythrocytes more strongly than either B or O cells. Trypsin treated erythrocytes react better than untreated cells. Neuraminidase treated erythrocytes react with this lectin due to the presence of terminal galactose resides.
EBL I is composed of an A-chain with enzymatic activity and a B-chain with carbohydrate-binding activity. EBL II consists only of carbohydrate-binding B-chains. EBL I+II induces caspase-dependent apoptosis at low concentrations (nM) order, leading to typical symptoms of cell death in sensitive cells. This effect seems independent from the catalytic activity of the A-chain, but depends on the carbohydrate binding B-chain.
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