A Lectin from the Mushroom Pholiota aurivella
1991 Volume 55 Issue 10 Pages 2485-2489
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1991 Volume 55 Issue 10 Pages 2485-2489
A lectin was isolated from the fruiting bodies of Pholiota aurivella by preparative PAGE and named PAA (Pholiota aurivella agglutinin). PAA was a polymeric protein of more than several hundred kDa consisting of 18-kDa subunits. The amino acids were sequenced from the N-terminus of the lectin; they were YSVTTPNSVKGGTNQG. PAA agglutinated human erythrocytes regardless of blood type equally and Pronase treatment of erythrocytes increased the sensitivity to agglutination by the lectin. In a hemaggluting inhibition assay, none of the mono- and oligosaccharides used affected agglutination by the lectin. Among glycoproteins, asialofetuin was the best inhibitor. This is first isolated and characterized lectin from the family Strophariaceae.
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