Lens culinaris agglutinin (LCA, LcH), Fluorescein labeled

Vector Laboratories

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VECTFL1041

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Product Details

Lens Culinaris Agglutinin (LCA), Fluorescein, 5 mg. LCA recognizes sequences containing α-linked mannose residues but recognizes additional sugars as part of the receptor structure, giving it a narrower specificity than Con A. An alpha-linked fucose residue attached to the N-acetylchitobiose portion of the core oligosaccharide significantly enhances affinity. By exploiting this narrower specificity, glycoproteins and glycopeptides can be subfractionated with LCA after initial isolation with Con A. Fluorescein-labeled LCA has an appropriate number of fluorochromes bound to provide the optimum staining characteristics for this lectin. This conjugate is supplied essentially free of unconjugated fluorochromes. The excitation maximum is at 495 nm, and the emission maximum is at 515 nm. The recommended concentration range for use is 5–20 µg/ml.