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Structural basis for the affinity of four insolubilized lectins, with a specificity for α-D-mannose, towards various glycopeptides with the N-glycosylamine linkage and related oligosaccharides

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Abstract

Precisions are given on the fine specificity and on the usefulness of immobilized concanavalin A,Lens culinaris, Vicia faba andPisum sativum agglutinins for fractionation of glycopeptides with the N-glycosylamine linkage.

While insolubilized concanavalin A represents a very useful tool for the fractionation of both N-acetyllactosaminic and oligomannosidic type glycopeptides or related oligo-saccharides, immobilizedLens culinaris, as well asVicia faba orPisum sativum agglutinins allow the subfractionation of some N-acetyllactosaminic glycopeptide populations on the basis of the presence of an α-L-fucose residue substituting in C-6 position the N-acetylglucosamine residue involved in the N-glycosylamine bond.

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Abbreviations

Con A:

Concanavalin A

LCA:

Lens culinaris agglutinin

VF A:

Vicia faba aggluti-nin

PSA:

Pisum sativum agglutinin

GP-h-STF:

glycopeptide isolated from human serotransferrin

GP-h-LTF:

from human lactotransferrin

GP-ovoTF:

hen ovotransferrin

GP-b-LTF:

bovine lacto transferrin

FNR:

non retained profile

FR:

retained profile

FE:

sharp elution profile

FTB:

tightly bound profile

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Debray, H., Montreuil, J. Structural basis for the affinity of four insolubilized lectins, with a specificity for α-D-mannose, towards various glycopeptides with the N-glycosylamine linkage and related oligosaccharides. J Biosci 5 (Suppl 1), 93–100 (1983). https://doi.org/10.1007/BF02702979

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  • DOI: https://doi.org/10.1007/BF02702979

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