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L3019

Lectin from Bandeiraea simplicifolia (Griffonia simplicifolia)

Isolectin B4 (BSI-B4), lyophilized powder

Synonym(s):

Bandeirea simplicifolia agglutinin, BS-I

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About This Item

NACRES:
NA.32
UNSPSC Code:
12352202
Form:
lyophilized powder
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Quality Segment

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

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.

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.
Highly purified.

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.

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Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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