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WGA Lectin

Cat. No. GTX01500

Application

Conjugation, Purification

Species

Wheat
Package
1 mg ($89)
PRODUCT

Summary

Wheat germ agglutinin (WGA) (MW 36 kDa) is a dimeric, carbohydrate-free protein composed of two identical subunits. The amino acid sequence provides a figure of 21,600, based on 171 amino acids per polypeptide chain. The protein dissociates into monomers in acidic media, pK of the reaction 4. The receptor sugar for WGA is N-acetyl glucosamine (GlcNAc), GlcNacβ14GlcNAc. These structures are present in many serum and membrane glycoproteins, bacterial cell wall peptidoglycans, chitin, cartilage glycosaminogyycons and glycolipids. Native WGA also react with glycoproteins with sialic acid residue. This lectin is useful for the purification of insulin receptors, serum proteins and neuronal tracing. The carbohydrate-binding specificity of WGA has been studied by variety of techniques, such as hapten inhibition of hemagglutination and specific precipitation of glycoconjugate, changes in fluorescence of the lectin (intrinsic) or of chromatogenic ligands (extrinsic), equilibrium dialysis, NMR and x-ray diffraction.

APPLICATION

Product Note

N-acetyl glucosamine (GlcNAc)

PROPERTIES

Form

Liquid

Buffer

10mM Phosphate (pH7.6), 150mM NaCl, 0.1mM Calcium Chloride

Preservative

0.05% Sodium azide

Storage

Store as concentrated solution. Centrifuge briefly prior to opening vial. Store at 4ºC.

Concentration

5 mg/ml (Please refer to the vial label for the specific concentration.)

Region/Sequence

Native Protein

Expression System

Native Protein

Purification


Purified from Wheat Germ Agglutinin

Conjugation

Unconjugated

Note

For laboratory research use only. Not for any clinical, therapeutic, or diagnostic use in humans or animals. Not for animal or human consumption.

Purchasers shall not, and agree not to enable third parties to, analyze, copy, reverse engineer or otherwise attempt to determine the structure or sequence of the product.

TARGET

Synonyms

Wheat Germ agglutinin , Triticum vulgaris , Wheat germ agglutinin lectin , Wheat germ agglutinin , Triticum vulgaris , GlcNAc lectin , WGA , WGA Lectin , Triticum vulgaris lectin

Background

Wheat germ agglutinin (WGA) (MW 36 kDa) is a dimeric, carbohydrate-free protein composed of two identical subunits. The amino acid sequence provides a figure of 21,600, based on 171 amino acids per polypeptide chain. The protein dissociates into monomers in acidic media, pK of the reaction 4. The receptor sugar for WGA is N-acetyl glucosamine (GlcNAc), GlcNacβ14GlcNAc. These structures are present in many serum and membrane glycoproteins, bacterial cell wall peptidoglycans, chitin, cartilage glycosaminogyycons and glycolipids. Native WGA also react with glycoproteins with sialic acid residue. This lectin is useful for the purification of insulin receptors, serum proteins and neuronal tracing. The carbohydrate-binding specificity of WGA has been studied by variety of techniques, such as hapten inhibition of hemagglutination and specific precipitation of glycoconjugate, changes in fluorescence of the lectin (intrinsic) or of chromatogenic ligands (extrinsic), equilibrium dialysis, NMR and x-ray diffraction. Inhibiting/Eluting sugars: 500 mM GlcNAc, dimer, trimmer or 100 mM acetic acid.Carbohydrate-Binding Specificity of WGA: Pentaacetylchitopentaose >Tetraacetylchitotetraose > triacetylchitotriose > Diacetylchitobiose > GlcNAc

Research Area

REFERENCE

REVIEW

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SDS
Sodium Azide.pdf
Package List Price ($)
$ 89