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  • Title: Artocarpin is a polyspecific jacalin-related lectin with a monosaccharide preference for mannose.
    Author: Barre A, Peumans WJ, Rossignol M, Borderies G, Culerrier R, Van Damme EJ, Rougé P.
    Journal: Biochimie; 2004; 86(9-10):685-91. PubMed ID: 15556279.
    Abstract:
    A reinvestigation of the carbohydrate-binding properties revealed that artocarpin, a previously described mannose-specific lectin from jackfruit (Artocarpus integrifolia) seeds, behaves as a polyspecific lectin. Surface plasmon resonance hapten inhibition experiments demonstrated that artocarpin readily interacted with a wide range of monosaccharides covering galactose, N-acetylgalactosamine, mannose, glucose, sialic acid and N-acetylmuramic acid. Molecular docking confirmed this unexpected ability of artocarpin to interact with structurally different sugars. The biological significance of the polyspecificity of the lectin is discussed in terms of the broadening of the range of potential target glycans present on the surface of plant phytopathogens or predators.
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