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L3892

Sigma-Aldrich

Lectin from Triticum vulgaris (wheat)

peroxidase conjugate, lyophilized powder

Sinónimos:

WGA, Wheat germ agglutinin

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About This Item

UNSPSC Code:
12352202
NACRES:
NA.32

biological source

Triticum vulgaris

Quality Level

200

conjugate

peroxidase conjugate

assay

≥85% protein basis (Warburg-Christian)

form

lyophilized powder

potency

<40 μg/mL agglutination activity

peroxidase activity

50-200 units/mg protein

composition

Protein, ~90% modified Warburg-Christian

storage temp.

−20°C

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Application

Detects glycoproteins containing β(1→4)-N-acetyl-D-glucosamine when used with appropriate peroxidase substrate
General Western Blot Protocol:
  • Glycoprotein sample size: 500ng
  • Lectin Concentration: 0.1ug/ml

  1. Load samples at 500 ng of glycoprotein per lane
  2. Run 4-20% Bis-Tris SDS page gel
  3. Transfer gel to a PVDF membrane
  4. Block membrane for 1 hr at RT with RIPA buffer (R0278 Sigma)
  5. Incubate HRP lectin at 0.1ug/ml with RIPA buffer for 2 hours at RT
  6. Wash membrane 5 x 5 minutes with 25ml RIPA buffer
  7. Detect using chemiluminescent substrate (CPS1-120)

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.

Packaging

Package size based on protein content.

Unit Definition

One unit will form 1.0 mg of purpurogallin from pyrogallol in 20 sec at pH 6.0 at 20 °C.

Physical form

Contains citrate buffer

Preparation Note

Conjugates are prepared from affinity purified lectin.
Prepared from peroxidase type VI (P8375) using a modification of the method of O′Sullivan, which favors low molecular weight conjugates. Repurified after conjugation by affinity chromatography.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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