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Merck

L9640

Lectin from Triticum vulgaris (wheat)

lyophilized powder

Synonym(s):

WGA, Wheat germ agglutinin

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About This Item

UNSPSC Code:
12352202
NACRES:
NA.32

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form

lyophilized powder

Quality Level

300

potency

<20 μg/mL agglutination activity

composition

Protein, 100% biuret

impurities

salt, essentially free

storage temp.

2-8°C

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Lectin from Triticum vulgaris (wheat) lyophilized powder

Sigma-Aldrich

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Lectin from Triticum vulgaris (wheat)

Lectin from Triticum vulgaris (wheat) peroxidase conjugate, lyophilized powder

Sigma-Aldrich

L3892

Lectin from Triticum vulgaris (wheat)

Lectin from Triticum vulgaris (wheat) agarose conjugate, saline suspension

Sigma-Aldrich

L1394

Lectin from Triticum vulgaris (wheat)

Lectin from Triticum vulgaris (wheat) biotin conjugate, lyophilized powder

Sigma-Aldrich

L5142

Lectin from Triticum vulgaris (wheat)

form

lyophilized powder

form

lyophilized powder

form

saline suspension

form

lyophilized powder

storage temp.

2-8°C

storage temp.

−20°C

storage temp.

2-8°C

storage temp.

2-8°C

impurities

salt, essentially free

impurities

-

impurities

-

impurities

-

Quality Level

300

Quality Level

200

Quality Level

200

Quality Level

200

potency

<20 μg/mL agglutination activity

potency

<40 μg/mL agglutination activity

potency

-

potency

-

composition

Protein, 100% biuret

composition

Protein, ~90% modified Warburg-Christian

composition

-

composition

Protein, ≥80% E1%/280

Biochem/physiol Actions

WGA is not blood group specific but has an affinity for N-acetyl-β-D-glucosaminyl residues and N-acetyl-β-D-glucosamine oligomers. WGA contains no protein-bound carbohydrate.

Preparation Note

Conjugates are prepared from affinity purified lectin.

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 erythrocytes after 1 hour 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

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Certificates of Analysis (COA)

Lot/Batch Number
0000516782
0000487266
0000487266
0000475683
0000475683

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André A Neves et al.
Endoscopy, 50(6), 618-625 (2018-01-18)
Endoscopic surveillance for Barrett's esophagus (BE) is limited by long procedure times and sampling error. Near-infrared (NIR) fluorescence imaging minimizes tissue autofluorescence and optical scattering. We assessed the feasibility of a topically applied NIR dye-labeled lectin for the detection of
Jiamao Lin et al.
European journal of pharmacology, 859, 172490-172490 (2019-06-24)
Doxorubicin (DOX) is a classic anti-tumor chemotherapeutic used to treat a wide range of tumors. One major downfall of DOX treatment is it can induce fatal cardiotoxicity. Astragaloside IV (AS-IV) is one of the primary active ingredients that can be
Julie Beneteau et al.
Plant physiology, 153(3), 1345-1361 (2010-05-06)
Phloem Protein2 (PP2) is a component of the phloem protein bodies found in sieve elements. We describe here the lectin properties of the Arabidopsis (Arabidopsis thaliana) PP2-A1. Using a recombinant protein produced in Escherichia coli, we demonstrated binding to N-acetylglucosamine
Qian Li et al.
Foods (Basel, Switzerland), 10(12) (2021-12-25)
Paeonol can effectively inhibit Aspergillus flavus (A. flavus) via damaging cell walls. In this work, paeonol treatment remarkably destroyed both the outer amorphous layer and the inner fibrous layer of cell walls. Furthermore, FT-IR and XPS characterization showed that OH
Ilaria Volpi et al.
Open biology, 11(10), 210121-210121 (2021-10-27)
Treslin/Ticrr is required for the initiation of DNA replication and binds to MTBP (Mdm2 Binding Protein). Here, we show that in Xenopus egg extract, MTBP forms an elongated tetramer with Treslin containing two molecules of each protein. Immunodepletion and add-back
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Product Information Sheet - L9640

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