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Peanut Agglutinin (PNA), Unconjugated
Description
Peanut agglutinin binds preferentially to the T-antigen, a galactosyl (β-1,3) N-acetylgalactosamine structure present in many glycoconjugates such as M and N blood groups, gangliosides, and many other soluble and membrane-associated glycoproteins and glycolipids. With certain exceptions, the receptor sequence for PNA is normally sialylated which prevents the lectin from binding to its receptor oligosaccharide (see Jacalin). Even sialic acid which is not bound directly to the receptor sugars may inhibit binding. The presence of calcium ions in diluents can enhance the binding of PNA to receptors, possibly by neutralizing the negative charges on sialic acid residues adjacent to the receptor sequence.
Specifications
| Unit Size | 5 mg, 25 mg |
|---|---|
| Applications | Immunohistochemistry / Immunocytochemistry, Immunofluorescence, Blotting Applications, Glycobiology |
| Recommended Usage | Although many buffers can be employed for reconstituting and diluting this lectin, 10 mM HEPES buffered saline, pH 8.5, 0.1 mM CaCl2 is recommended. For preserving solutions stored at 4 ºC, 0.08% sodium azide can be used. |
| Recommended Storage | 2-8 °C |
| Conjugate | Unconjugated |
| Sugar Specificity | Galactose |
Documents
- Safety Data Sheet
- Lectins in Histochemistry, ELISA, and Western Blot Applications
- Download CoA
- Datasheet
Related Products
Peanut Agglutinin (PNA), Biotinylated Catalog #: B-1075-5
Anti-Peanut Agglutinin (PNA), Biotinylated Catalog #: BA-0074-.5
Peanut Agglutinin (PNA), Rhodamine Catalog #: RL-1072-5
Galactose Catalog #: S-9003
Goat Anti-Peanut Agglutinin (PNA), Unconjugated Catalog #: AS-2074-1
Citations
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A major cell surface receptor for PNA may be asialo GM1 ganglioside. Since PNA shares specificity with the antibody to this glycolipid, PNA and the antibody can be used interchangeably in some applications.
Inhibiting/Eluting Sugar: 200 mM galactose