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Merck
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Key Documents

L3019

Sigma-Aldrich

Lectin from Bandeiraea simplicifolia (Griffonia simplicifolia)

Isolectin B4 (BSI-B4), lyophilized powder

Sinónimos:

Bandeirea simplicifolia agglutinin, BS-I

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About This Item

UNSPSC Code:
12352202
NACRES:
NA.32

Quality Level

300

form

lyophilized powder

potency

≤8 μg per mL agglutination activity (using human blood group B erythrocytes)
≥125 μg per mL agglutination activity (using human blood group A erythrocytes)

composition

Protein, ~95% E1%/280

storage temp.

−20°C

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Biochem/physiol Actions

BS-I has a major affinity for terminal α-D-galactosyl residues with a secondary affinity for terminal N-acetyl-α-D-galactosaminyl residues.

Other Notes

BS-I is a tetrameric lectin consisting of two types of subunits designated A and B. There are five BS-I isolectins with different subunit composition: BSI-B4, BSI-AB3, BSI-A2B2, BSI-A3B and BSI-A4. BSI-B4 is blood group B specific and has an exclusive affinity for terminal α-D-galactosyl residues, whereas BSI-A4 has blood group A specificity and has a major affinity for terminal N-acetyl-α-D-galactosaminyl residues.

Quality

Highly purified.

Physical form

Contains sodium citrate

Analysis Note

Agglutination activity is expressed in μg/mL and is determined from serial dilutions of a 1 mg/mL solution using phosphate buffered saline, pH 6.8, containing, for each lectin, calcium, magnesium, and manganese at different concentrations. This activity is the lowest concentration to agglutinate a 2% suspension of appropriate erythrocytes after 1 hr incubation at 25 °C.

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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