Precipitation of the D-galactose specific lectin from Erythrina indica by a triantennary complex type oligosaccharide

C. Lokesh Bhattacharyya, Curtis F. Brewer

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We have previously demonstrated that a high mannose type glycopeptide is bivalent for binding Concanavalin A (Con A) and can precipitate the lectin (Bhattacharyya L. and Brewer, C.F. (1986) Biochem. Biophys. Res. Commun. 137, 670-674). The present results show that a triantennary complex type oligosaccharide containing nonreducing terminal galactose residues can precipitate the D-galactose/Nacetyl-D-galactosamine specific lectin from Erythrina indica (EIL). The interactions of the oligosaccharide with EIL was investigated by quantitatitve precipitin analysis. The equivalence point of the precipitin curve indicated that the glycopeptide is trivalent for EIL binding. These results indicate that each arm of the oligosaccharide can independently bind separate lectin molecules leading to precipitation of the complex. These findings are discussed in terms of the possible biological structure-function properties of complex type oligosaccharides.

Original languageEnglish (US)
Pages (from-to)963-967
Number of pages5
JournalBiochemical and Biophysical Research Communications
Volume141
Issue number3
DOIs
StatePublished - Dec 30 1986

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Oligosaccharides
Galactose
Precipitins
Glycopeptides
Lectins
Precipitates
Galactosamine
Mannose
Concanavalin A
Molecules
erythrina lectin

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

Cite this

Precipitation of the D-galactose specific lectin from Erythrina indica by a triantennary complex type oligosaccharide. / Lokesh Bhattacharyya, C.; Brewer, Curtis F.

In: Biochemical and Biophysical Research Communications, Vol. 141, No. 3, 30.12.1986, p. 963-967.

Research output: Contribution to journalArticle

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