Concanavalin A Lectin (Con A) - Cy5

Concanavalin A Lectin (Con A) - Cy5
Concanavalin A (Jackbean) Lectin (Con A) - Cy5
Product image 1Concanavalin A Lectin (Con A) - Cy5
Product image 2Concanavalin A (Jackbean) Lectin (Con A) - Cy5

Price: Regular price $153.32

SKU#: 21761160-1

Product Description

Affinity purified concanavalin A (Con A) is composed of two identical subunits of 237 amino acid residues (MW: 26,000 without any cystine residues). While above pH 7 it is predominantly tetrameric, at pH 4.5 – 5.6, Con A binds two metal ions per monomer: transition metals, Mn2+ and Ca2+. Both ions are required for binding with optimum activity at a pH 7.0. Con A binds with non-reducing α-D-glucose, α-D-mannose and α-methyl-D-glucopyranoside acts as a competitive inhibitor. Con A does not have a blood group specificity. It exhibits mitogenic activity with lymphocytes and cancer cells. While lymphocytes and cancer aggregate by Con A; normal white cells do not. Normal cells react to Con A after proteolytic treatment which suggests that trypsinization causes clustering of the reactive glycan residues on the membrane. Con A interacts with cell types include locust muscle fibers, adipocytes, and rat liver plasma membrane components. This lectin induces endoreduplication in mammalian cells and it reacts with E. coli, Dictyostelium discoideum and Bacillus lipopolysaccharides. Immobilized Con A has been used in affinity chromatography purifications of a wide variety of glycoproteins and cellular structures.

Cy5, when bound to Concanavalin A (Jackbean) Lectin (Con A), can show the binding pattern of this lectin in cellular imaging and flow cytometry. The excitation wavelength required for Cy5 to fluoresce is high enough to avoid overlap with most other fluorochromes, making it useful for dual-labeling experiments. Because of this high excitation, there is typically less background from autofluorescence of biological specimens.

Technical Specifications

Abbreviation: Con A
Material Source:: Jackbean
Conjugate:: Cyanine 5 (Cy5)
Concentration:: 1 mg/mL
Appearance Form:: Liquid
Appearance Color:: Red
Shelf Life:: 1 year
Blood Group Specificity:: Non-specific
Preferred Sugar Specificity:: α-Mannose, α-Glucose
Inhibiting or Eluting Sugar:: α-Methylmannoside + α-Methylglucoside
Fluorescence:: Red
Divalent Ions:: Ca++, Mn++
Excitation:: 650 nm
Emission:: 670 nm
Mitogenic Activity:: Yes
Lyophilized or Liquid: Liquid
Storage Temperature:: 2-8°C
Hazardous Shipping:: Non-hazardous

Applications

References

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