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Description
Research Area
Product Categories/Products/Proteins,Product Categories/Research Area,Epigenetics,Immunology
Images & Validation
−| Application Notes |
|---|
Key Properties
−| Source | E.Coli |
|---|---|
| Biological Origin | Homo sapiens (Human) |
| 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. |
| Tag | Tag-Free |
| Expression Region | 25-153aa |
| Protein Length | Full Length of Mature Protein |
| Endotoxins | Less than 1.0 EU/µg as determined by LAL method. |
| MW | 15.0 kDa |
| Purity | > 98% as determined by SDS-PAGE and HPLC. |
| Protein Sequence | HKCDITLQEIIKTLNSLTEQKTLCTELTVTDIFAASKNTTEKETFCRAATVLRQFYSHHEKDTRCLGATAQQFHRHKQLIRFLKRLDRNLWGLAGLNSCPVKEANQSTLENFLERLKTIMREKYSKCSS |
Storage & Handling
−| Storage | The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself. Generally, the shelf life of liquid form is 6 months at -20℃/-80℃. The shelf life of lyophilized form is 12 months at -20℃/-80℃. |
|---|---|
| Form/Appearance | Lyophilized powder |
| Buffer/Preservatives | Lyophilized from a 0.2 µm filtered PBS, pH 7.4 |
| Expiration Date | 6 months from date of receipt. |
| Disclaimer | For research use only |
Alternative Names
−B cell growth factor 1 protein, B cell IgG differentiation factor protein, B Cell Stimulatory Factor 1 protein, B-cell stimulatory factor 1 protein, BCGF 1 protein, BCGF1 protein, Binetrakin protein, BSF 1 protein, BSF-1 protein, BSF1 protein, IGG1 induction factor protein, IL 4 protein, IL-4 protein, IL4 protein, Interleukin 4 protein, Interleukin 4 variant 2 protein, Interleukin 4, isoform 1 protein, Interleukin-4 protein, Interleukin4 protein, Lymphocyte stimulatory factor 1 protein, Macrophage fusion factor protein, Mast cell growth factor 2 protein, Pitrakinra protein
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Quick Database Links
UniProt
UniProt Details
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Protocol Information
Protein Handling and Storage Guide
Protein Handling Guide




