Molecular Weight 36 | |
Extinction Coefficient 1.46 | |
Formulation 10 mM HEPES, 0.15 M NaCl, pH 7.5, 0.1 mM CaCl2, 0.08% sodium azide | |
Inhibiting or Eluting Sugar Chitin Hydrolysate | |
Unit Size 5 mg | |
Storage Instructions 2-8 °C; Store frozen for long term storage | |
Sugar Specificity Terminal N-acetyl-containing glycans | |
Usage Summary For most applications we recommend a freshly prepared working solution of 5-20 µg/ml in the below buffer. | |
Applications Immunohistochemistry / Immunocytochemistry, Immunofluorescence, Blotting Applications, Elispot, ELISAs, Glycobiology | |
Concentration 5 mg active conjugate/ml | |
Conjugate Biotinylated |
Succinylated Wheat Germ Agglutinin (WGA), Biotinylated
This derivative has been reported to have properties distinct from the native lectin. Evidence suggests that Succinylated Wheat Germ agglutinin does not bind to sialic acid residues, unlike the native form, but retains its specificity toward N-acetylglucosamine.
Biotinylated, succinylated WGA has an appropriate number of biotins bound to provide the optimum staining characteristics for this lectin. This conjugate is supplied essentially free of unconjugated biotins and is preserved with sodium azide.
$259.00
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Technical Information Using conjugates of the native lectin and the succinylated form can provide a system to distinguish between sialylated glycoconjugates and those containing only N-acetylglucosamine structures. This biotinylated lectin is an ideal intermediate for examining glycoconjugates using the Biotin-Avidin/Streptavidin System. First the biotinylated lectin is added, followed by the VECTASTAIN® ABC Reagent, Avidin D conjugate, or streptavidin derivative. Inhibiting/Eluting Sugar: Chitin Hydrolysate or 500 mM N-acetylglucosamine with salt and/or acid elution generally required MSDS: msdsB1025S.pdf (PDF) |
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Product FAQs
I recently purchased a biotinylated lectin. The datasheet supplied with the lectin suggests including 0.1 mM Ca++as part of the recommended buffer to prepare a working solution. What should I specifically add, and why is this required?
From our experience we have found that some lectins require Ca++ to be present for optimal binding activity. We suggest using calcium chloride (CaCl2) to fortify working solutions and ensure a minimum level of Ca++ is met. This may be particularly pertinent if using phosphate based buffers as diluents and storage solutions.
