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Product Description
Recombinant Human Interleukin-4 (rHu IL-4) | 70104 | SAB Antibodies
Source:
Escherichia coli.
Species:
Human
Storage Conditions:
This lyophilized preparation is stable at 2-8 °C, but should be kept at -20 °C for long term storage, preferably desiccated. Upon reconstitution, the preparation is stable for up to one week at 2-8 °C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 °C to -70 °C. Avoid repeated freeze/thaw cycles.
Synonyms:
BSF-1, Binetrakin, Lymphocyte stimulatory factor 1, Pitrakinra.
Biological Activity:
Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using human TF-1 cells is less than 0.2 ng/ml, corresponding to a specific activity of > 5.0 × 106 IU/mg.
Purity:
> 98 % by SDS-PAGE and HPLC analyses.
Formulation:
Lyophilized from a 0.2 µm filtered concentrated solution in PBS, pH 7.4.
Uniprot ID: P05112
