Not available outside of the UK & Ireland.

Analysis Note

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 erythrocytes after 1 hr incubation at 25 °C.

Biochem/physiol Actions

PSA is not blood group specific, but has an affinity for terminal α-D-mannosyl residues. PSA is a mitogen similar to concanavalin A.

Packaging

5 mg in glass bottle

Preparation Note

Purified by affinity chromatography.

Conjugates are prepared from affinity purified lectin.