L8629
Lectin from Phaseolus vulgaris (red kidney bean)
Erythroagglutinin PHA-E
Sinonimo/i:
Phaseolus vulgaris agglutinin, PHA
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About This Item
Codice UNSPSC:
12352202
NACRES:
NA.32
Prodotti consigliati
Livello qualitativo
Stato
salt-free, lyophilized powder
Potenza
<10 μg per mL agglutination activity (with erythryocytes)
Composizione
Protein, ≥80% biuret
Temperatura di conservazione
2-8°C
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Azioni biochim/fisiol
PHA consists of two molecular species, an erythroagglutinin (PHA-E) which has low mitogenic activity and high erythroagglutinin activity, and leucoagglutinin (PHA-L) which has high mitogenic and leucoagglutinating activity, but very low erythroagglutinating activity.
PHA-E is not blood group specific, but agglutination can be inhibited by certain oligosaccharides. PHA-P is the protein form of PHA prior to separation and purification of erythroagglutinin and leucoagglutinin. PHA-M is the mucoprotein form. Conjugates are prepared from the corresponding purified lectins.
PHA-E is not blood group specific, but agglutination can be inhibited by certain oligosaccharides. PHA-P is the protein form of PHA prior to separation and purification of erythroagglutinin and leucoagglutinin. PHA-M is the mucoprotein form. Conjugates are prepared from the corresponding purified lectins.
Qualità
Tested for leucoagglutination.
Nota sulla preparazione
Purified by a modification of the method of Leavitt.
Risultati analitici
Agglutination activity is expressed in μg/ml and is determined from serial dilutions of a 1 mg/ml solution. This activity is the lowest concentration to agglutinate a suspension of either human erythrocytes (2% in phosphate buffered saline, pH 6.8) or human leukocytes (107 per mL in saline) after 1 hr incubation at 25 °C.
Codice della classe di stoccaggio
11 - Combustible Solids
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Dispositivi di protezione individuale
Eyeshields, Gloves, type N95 (US)
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The Journal of biological chemistry, 252(9), 2961-2966 (1977-05-10)
Affinity-purified phytohemagglutinin from red kidney bean resolves into five isolectins by SP-Sephadex ion exchange chromatography. Recoveries ranging from 30 to 130 mg of protein for each isolectin are easily achieved. The isolectins have similar amino acid compositions which differ only
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