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Alteration of the Carbohydrate-Binding Specificity of the Bauhinia purpurea Lectin through the Preparation of a Chimeric Lectin
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1992
Year
Bioorganic ChemistryEngineeringGlycobiologyBacteriologyMolecular BiologyEscherichia ColiBacteriophagePolysaccharideBauhinia Purpurea LectinChimeric LectinBiosynthesisGlycosylationBiochemistryMolecular MicrobiologyChimeric Lectin GeneNatural SciencesBiotechnologyGenetic EngineeringProtein EngineeringMicrobiologyCarbohydrate-binding SpecificityCarbohydrate-protein Interaction
A chimeric lectin gene was constructed by using a cDNA clone coding the Bauhinia purpurea lectin (BPA) in which a part of the metal-binding region was replaced by the corresponding region of the mannose-binding Lens culinaris lectin (LCA). The chimeric lectin expressed in Escherichia coli was found to bind alpha mannosyl-bovine serum albumin (BSA) and this binding was inhibited by mannose.