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Lyophilized from sterile PBS, pH 7.4, 5 % trehalose and 5 % mannitol.
Bio-activity
Measured by its ability to bind biotinylated recombinant rat IL2 in a functional ELISA. Using the Octet RED System, the affinity constant (Kd) of Human IL2RB-Fc bound to Human IL2 was 0.8nM.
Molecular Mass
Recombinant Human IL2 Rβ/Fc is a disulfide-linked homodimeric protein geneRated after removal of the signal peptide. The reduced monomer consists of 451 amino acids and has a predicted molecular mass of 51.6 kDa. As a result of glycosylation, the apparent molecular mass of rh IL2RB/Fc monomer is approximately 60-65 kDa in SDS-PAGE under reducing conditions.
Endotoxin
< 1.0 EU per 1 microgram of protein (determined by LAL method).
Purity
> 90 % by SDS-PAGE.
Storage
In lyophilized state for 1 year (4°C); After reconstitution under sterile conditions for 3 months (-70°C). Avoid repeated freeze/thaw cycles.
Reconstitution
Reconstitute in sterile distilled water to a concentration of 0.1-1.0 mg/mL.
Warning
For research use only!
Background
Cytokine that stimulates the growth and differentiation of hematopoietic precursor cells from various lineages, including granulocytes, macrophages, eosinophils and erythrocytes.
Tag
Fc
Species
Human
Source
HEK293
BACKGROUND
Background
Cytokine that stimulates the growth and differentiation of hematopoietic precursor cells from various lineages, including granulocytes, macrophages, eosinophils and erythrocytes.
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