Phaseolus vulgaris lectin E (PHA-E) (1 gram)
For Research Use Only
Phaseolus vulgaris lectin E is a tetrameric protein with a molecular weight of 128 kDa. It is isolated from red kidney beans by affinity chromatography and ion-exchange chromatography. The lectin recognizes terminal galactose residues of complex glycans on mammalian glycoproteins. Because it has high erythrocyte agglutinating activity, it is also known as Erythroagglutinin (PHA-E). PHA-E is not blood group specific. Less than 5 µg/ml will agglutinate human erythrocytes type O.
Phaseolus vulgaris lectin is supplied as a white to light-pink lyophilized powder from 50 mM NH4HCO3.For laboratory use only.
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Sugar specificity: complex oligosaccharides.
High erythroagglutinin activity.
|Appearance: White to light-pink lyophilized powder.|
Source: Red kidney beans.
Molecular weight: 128 kDa.
Sugar specificity: β-D-Gal-(1-3)-D-GalNAc.
Activity: Less than 5 µg/ml will agglutinate human erythrocytes type O.
Microorganisms: < 100 CFU/g.
Protein content: > 85 %, OD280.
Identity: SDS-PAGE, one band at 34 kDa.
Shelf life: > Three years when stored at -20°.
|Erythrocyte agglutination studies.
Model systems to help understand the molecular basis of how proteins recognize carbohydrates.
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