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Ricinus Communis Agglutinin I (RCA I, RCA120), Fluorescein (FL-1081-1)

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Description

This lectin consists of two subunits of 60 kDa which can be dissociated by reducing agents into closely related chains between 27 kDa and 33 kDa. One of the chains appears to be common to the “B” chain of another castor bean lectin, ricin, while the other chain is unique to RCA I.  The B chain binds to galactose or N-acetylgalactosamine residues of membrane glycoconjugates.

Fluorescein labeled Ricinus communis agglutinin I 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.

Specifications

Unit Size1 mg
ApplicationsImmunofluorescence, Glycobiology
Recommended UsageThe recommended concentration range for use is 5-20 µg/ml.
Recommended Storage2-8 °C
Maximum Excitation495-500 nm
Inhibiting and/or Eluting Sugar200 mM galactose (S-9003) or lactose (S-9004)
Maximum Emission514-521 nm
Solution10 mM HEPES, 0.15 M NaCl, pH 7.5, 0.08% sodium azide, 0.1 mM CaCl2, 5 mM lactose
Concentration5 mg active conjugate/ml
ConjugateFluorescein
Color of FluorescenceGreen
Sugar SpecificityGalactose, Lactose

Citations

Technical Information

Accompanying each fluorescent lectin is an analysis data sheet summarizing the results of our quality control tests and providing pertinent information on the product. All of these reagents are supplied as solutions preserved with sodium azide.

Inhibiting/Eluting Sugar: 200 mM galactose or lactose

Applicable patents and legal notices are available at legal notices.

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