Molecular Weight 114 | |
Color of Fluorescence Green | |
Extinction Coefficient 1.4 | |
Formulation 10 mM HEPES, 0.15 M NaCl, pH 7.5, 0.08% sodium azide, 0.1 mM CaCl2 | |
Inhibiting or Eluting Sugar Galactose | |
Maximum Emission 514-521 nm | |
Maximum Excitation 495-500 nm | |
Unit Size 0.5 mg | |
Storage Instructions 2-8°C | |
Sugar Specificity Terminal αGal | |
Usage Summary The recommended concentration range for use is 5-20 µg/ml. | |
Applications Immunofluorescence, Glycobiology | |
Concentration 1 mg active conjugate/ml | |
Conjugate Fluorescein |
Griffonia Simplicifolia Lectin I (GSL I) isolectin B4, Fluorescein
GSL I-B4 isolectin contains only the B subunits. It is a useful marker for endothelial cells from nonprimates such as mouse, rat, rabbit, and goat as well as a marker for non-peptidergic unmyelinated primary afferent neurons. This “B”-rich lectin preferentially agglutinates blood group B cells and is specific for α-galactose residues.
Fluorescein labeled GSL I-B4 has an appropriate number of fluorochromes bound to provide the optimum staining characteristics for this lectin. This conjugate is supplied essentially free of unconjugated fluorescein and is preserved with sodium azide.
• Excitation maximum = 495 nm
• Emission maximum = 515 nm
• Color = green
$219.00
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Technical Information GSL I is a family of glycoproteins with molecular weights of approximately 114 kDa. There are two types of subunits, termed A and B, with slightly different molecular weights. These subunits combine to form tetrameric structures, resulting in five isolectins. The A -rich lectin preferentially agglutinates blood group A erythrocytes and thus appears to be specific for α-N-acetylgalactosamine residues, while the B -rich lectin preferentially agglutinates blood group B cells and is specific for α-galactose residues. Our GSL I is a mixture of the five isolectins. GSL I has been reported to bind several glycoproteins including laminin. 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 Sugar: 500 mM galactose or 100 mM raffinose |
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