Molecular Weight 54 | |
Color of Fluorescence Green | |
Extinction Coefficient 1.3 | |
Formulation 10 mM HEPES, 0.15 M NaCl, pH 7.5, 0.08% sodium azide, 0.1 mM CaCl2 | |
Inhibiting or Eluting Sugar Lactose | |
Maximum Emission 514-521 nm | |
Maximum Excitation 495-500 nm | |
Unit Size 5 mg | |
Storage Instructions 2-8°C | |
Sugar Specificity Terminal type 2 LacNAc, and terminal type 2 LacdiNAc | |
Usage Summary The recommended concentration range for use is 5-20 µg/ml. | |
Applications Immunofluorescence, Glycobiology | |
Concentration 5 mg active conjugate/ml | |
Conjugate Fluorescein |
Erythrina Cristagalli Lectin (ECL, ECA), Fluorescein
Erythrina cristagalli lectin (ECL) has been reported to be useful for the isolation of human natural killer (NK) cells using a negative selection panning technique (protocol available upon request or on our website). Human NK cells appear to lack accessible surface carbohydrate structures required for binding ECL and, unlike other mononuclear cells, do not adhere to ECL-coated culture dishes. Since this procedure involves a negative selection panning technique, a high recovery of viable NK cells can be obtained. The adherent cells can also be recovered by incubation in galactose or lactose.
Fluorescein labeled Erythrina cristagalli lectin has an appropriate number of fluorochromes bound to provide the optimum staining characteristics for this lectin. This conjugate is supplied essentially free of unconjugated fluorochromes. The excitation maximum is at 495 nm and the emission maximum is at 515 nm.
$213.00
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Technical Information Erythrina cristagalli lectin consists of two different subunits of approximately 28 kDa and 26 kDa. The carbohydrate structure to which ECL binds is frequently found in membrane and serum glycoproteins of mammalian origin. Sialic acid substitution on this structure appears to prevent the lectin from binding. This specificity offers an opportunity to utilize agarose bound ECL to isolate or fractionate mammalian glycoproteins. Accompanying each fluorescent lectin is an analysis data sheet summarizing the results of our quality control tests and providing pertinent information on the product. All of these reagents are supplied as solutions preserved with sodium azide. Inhibiting/Eluting Sugar: 200 mM lactose |
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