Solanum tuberosum Lectin (STA/STL)

Solanum tuberosum Lectin (STA/STL)


Solanum tuberosum lectin/agglutinin (STA/STL) is isolated from potato. This lectin is a glycoprotein that contains 50% carbohydrates and consists of two subunits with a molecular weight of 50 kDa. Each subunit of the lectin contains three regions. The N-terminal domain with several proline residues is not glycosylated. The next domain has high content of hydroxyproline (all substituted with L-arabinose) and has some serine residues substituted with galactose. The third domain is not glycosylated, has a high content of cysteine and carries the carbohydrate binding site.
STA has an isoelectric point greater than pH 9 and has a specificity towards (GlcNAc)2-4, and elutes with the sugar chitin hydrolysate. STA binds oligomers of N-acetylglucosamine and some bacterial cell wall oligosaccharides containing N-acetylglucosamine and N-acetylmuramic acid. N-acetyllactosamine is a relatively weak inhibitor of hemagglutination induced by this lectin. STA does not have a blood group specificity.

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  • Unconjugated 21
  • Agarose 8
  • Beads 2
  • Cy3 2
  • AP 1
  • Biotin 1
  • Cy5 1
  • DyLight 488 1
  • FITC 1
  • Ferritin 1
  • Gold 1
  • HRP 1
  • TRITC 1
  • Texas Red® 1
  • plant 25
  • Lectins X
  • ELISA 7
  • IHC 6
  • WB 3
  • FLISA 1