erythrina variegata/tyrosine

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Purification, some properties of a D-galactose-binding leaf lectin from Erythrina indica and further characterization of seed lectin.

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Lectin from a leaf of Erythrina indica was isolated by affinity chromatography on Lactamyl-Seralose 4B. Lectin gave a single band in polyacrylamide gel electrophoresis (PAGE). In SDS-gel electrophoresis under reducing and non-reducing conditions Erythrina indica leaf lectin (EiLL) split into two

Mutational studies of the amino acid residues in the combining site of Erythrina corallodendron lectin.

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High-resolution X-ray crystallography of the complex of the Gal/GalNAc-specific Erythrina corallodendron lectin with lactose identified the amino acid side chains that form contacts with the galactose moiety of the disaccharide. The contribution of these amino acids to the binding of different

Modification of the sugar specificity of a plant lectin: structural studies on a point mutant of Erythrina corallodendron lectin.

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A mutant of Erythrina corallodendron lectin was generated with the aim of enhancing its affinity for N-acetylgalactosamine. A tyrosine residue close to the binding site of the lectin was mutated to a glycine in order to facilitate stronger interactions between the acetamido group of the sugar and

Redefinition of the carbohydrate specificity of Erythrina corallodendron lectin based on solid-phase binding assays and molecular modeling of native and recombinant forms obtained by site-directed mutagenesis.

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Binding of the N-acetyllactosamine-specific lectin from Erythrina corallodendron (ECorL) to four glycosphingolipids has been tested using the microtiter well assay. The role of several amino acids in the binding site region was studied by combining binding assays and molecular modeling for native

Involvement of laser photo-CIDNP (chemically induced dynamic nuclear polarization)-reactive amino acid side chains in ligand binding by galactoside-specific lectins in solution.

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For proteins in solution the validity of certain crystallographic parameters can be ascertained by a combination of molecular-dynamics (MD) simulations and NMR spectroscopy. Using the laser photo-CIDNP (chemically induced dynamic nuclear polarization) technique as a measure for surface accessibility

Isolation, purification, and physicochemical characterization of a D-galactose-binding lectin from seeds of Erythrina speciosa.

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A lectin was isolated from the saline extract of Erythrina speciosa seeds by affinity chromatography on lactose-Sepharose. The lectin content was about 265 mg/100g dry flour. E. speciosa seed lectin (EspecL) agglutinated all human RBC types, showing no human blood group specificity; however a slight

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