L2890
Sigma

Lectin from Helix pomatia

lyophilized powder

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Recommended Products

Comparable product

L3382, Lectin from Helix pomatia

Synonym

Helix pomatia agglutinin

HPA

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Descriptions

Analysis Note

Where reported, 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 blood group A erythrocytes after 1 hour incubation at 25 °C.

Biochem/physiol Actions

HPA has anti-A human blood group specificity and has an affinity for terminal N-acetyl-α-D-galactosaminyl residues.¹ Conjugates are prepared from affinity purified lectin.

Reconstitution

Reconstitute with 5.0 mL of 0.9% saline solution or 0.01�M phosphate buffered saline for a working strength reagent for determining human Type A₁ blood in tube or tile tests.

Properties

form

lyophilized powder

packaging

vial of 5 mL

storage temp.

−20°C

References

Cited Reference

1. Hammarstrom, S., Kabat, E. A. Biochemistry 10, 1684, (1971)

Reference

Hammarstrom, S. Scand. J. Immunol. 1, 295, (1972)

Safety

WGK Germany

MSDS

Certificate of Analysis

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