ActoFactor™ Recombinant Human Lectin, galactoside-binding, soluble, 1

CSC-CTK0579

Lectins, of either plant or animal origin, are carbohydrate binding proteins that interact with glycoprotein and glycolipids on the surface of animal cells. The Galectins are lectins that recognize and interact with beta-galactoside moieties. Galectin-1 is an animal lectin that has been shown to interact with CD3, CD4, and CD45. It induces apoptosis of activated T-cells and T- leukemia cell lines and inhibits the protein phosphatase activity of CD45. Recombinant human Galectin-1 is a 14.5 kDa protein containing 134 amino acid residues.

Human

Human LGALS1 expressed in E.coli

14.5 kDa

CAT# CSC-CTK0579-50 (50 μg); CAT# CSC-CTK0579-250 (250 μg)

E.coli

Greater than 98% as determined by SDS-PAGE and HPLC analysis.

Determined by its ability to chemoattract human blood monocytes. Chemotactic activity was observed at a concentration of 2.5 μg/ml with a peak response obtained at 250 μg/ml.

Less than 1 EU/μg.

Lyophilized from a sterile-filtered solution with no additives.

Please centrifuge product before opening vial. The lyophilized protein should be reconstituted with distilled, sterile water to a concentration of 0.1-1.0 mg/ml. For further dilution, carrier protein (0.1% BSA or HSA) should be added to avoid loss of bioactivity.

The lyophilized protein, though stable at room temperature for up to 3 weeks, is best stored desiccated at -20°C. Reconstituted protein should be used immediately or stored long-term in undiluted working aliquots at -20°C. For long-term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid repeated freeze-thaw cycles.

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