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Key Documents

Safety Information

L8258

Sigma-Aldrich

Lectin from Wisteria floribunda

lyophilized powder

Synonym(s):

Wisteria floribunda agglutinin, WFA

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About This Item

MDL number:
MFCD00166187
UNSPSC Code:
12352202
NACRES:
NA.32

form

lyophilized powder

Quality Level

200

potency

<16 μg/mL agglutination activity

composition

Protein, ~95% E1%/280

storage temp.

−20°C

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General description

Lectin is a carbohydrate-binding protein found in plant roots, rhizomes, leaves, seeds, and stems. Lectin is located in the cytoplasm as well as in the nucleus.

Application

Lectin from Wisteria floribunda has been used:
  • to study the perineuronal nets and parvalbumin nets in mouse brain by immunofluorescence
  • to evaluate the amount of N-acetylgalactosamine (GalNAc) transferred to Gaussia luciferase (GLuc) substrates by microplate assay
  • to study its binding effects on perineuronal nets

Biochem/physiol Actions

Lectin binds with high affinity to the glycans of polysaccharides, glycolipids, and glycoproteins. It is involved in plant defense.
WFA is not blood group specific, but has an affinity for N-acetyl-D-galactosamine.

Packaging

Package size based on protein content

Analysis Note

Agglutination activity is expressed in μg/ml and is determined from serial dilutions in phosphate buffered saline, pH 6.8, of a 1 mg/ml solution. This activity is the lowest concentration to agglutinate a 2% suspension of human blood group A erythrocytes after 1 hr incubation at 25 °C.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

L8258-5MG:
L8258-1MG:
L8258-BULK:
L8258-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
054K1231
026F8046

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Nausicaä Lannoo et al.
Frontiers in plant science, 5, 397-397 (2014-08-29)
Plants are under constant attack from pathogens and herbivorous insects. To protect and defend themselves, plants evolved a multi-layered surveillance system, known as the innate immune system. Plants sense their encounters upon perception of conserved microbial structures and damage-associated patterns
Markus Morawski et al.
Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 369(1654), 20140046-20140046 (2014-09-17)
Perineuronal nets (PNs) in the brains of tenascin-R-deficient (tn-r(-/-)) mice develop in temporal concordance with those of wild-type (tn-r(+/+)) mice. However, the histological appearance of PNs is abnormal in adult tn-r(-/-) mice. Here, we investigated whether similar defects are also

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