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Categories: Peptides & Proteins / Proteins

Product name			Erythrina cristagalli (ECA) (Texas Red)
Catalog No			USB-E3453-20L
Supplier’s Catalog No			E3453-20L
Supplier			US Biologicals
Source antigen
Reactivity
Cross reactivity
Applications
Molecular weight

Storage			-20°C
Other names
Grade			Purified
Purity
Form			Supplied as a liquid in 0.01M phosphate, 0.15M sodium chloride, pH 7.2-7.4, 0.05% sodium azide. Labeled with Texas Red.
Reactivity life			12 months
Note			For reserch purpose only
Purity
Description			Pure Erythrina cristagalli lectin (ECA) from coral tree. Texas Red conjugated. Lectins are derived from the extracts of plants, animals, viruses and microorganisms and are known to agglutinate red blood cells. These agglutinins can select cell types according to blood group activities utilizing sugar-binding mechanisms. Lectins form precipitates with glycoconjugates and are useful for identifying or separating oligosaccharides with identical sugar compositions such as galactose, mannose or glucose. Carbohydrate Specificity: Gal beta(1,4)GlcNAc Inhibitory Carbohydrate: N-acetyllactosamine > lactose > N-acetylgalactosamine > galactose Activity: 1-2ug/ml will agglutinate neuraminidase treated human erythrocytes. Chemical Used for Conjugation: Texas Red Storage and Stability: May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are 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. Texas Red conjugates are sensitive to light.