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: NANA(Neu5Aca(2,6)Gal/GalNAc) FITC/Protein Ratio (OD495:OD280): ~1 Activity: SNA I agglutinates animal and human erythrocytes. The lectin has a slight preference for Type A over B and Type O erythrocytes. Inhibitory Carbohydrate: High concentration Lactose > beta-Galactose Storage and Stability: Store product at 4C if to be used immediately within two weeks. For long-term storage, aliquot to avoid repeated freezing and thawing and store at -20C. Aliquots are stable at -20C for 6 months after receipt. Dilute required amount only prior to immediate use. Further dilutions can be made in assay buffer. Caution: FITC conjugates are sensitive to light. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Molekulargewicht:
140
Reinheit:
Gel filtration after conjugation to remove remaining free FITC.
Formulierung:
Supplied as a liquid in PBS, pH 7.3, 0.05% sodium azide. Labeled with FITC.
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