Interleukin-7 Mouse Recombinant
Interleukin-7 is a potent lymphoid cell growth factor produced primarily by stromal cells. IL-7 has been shown to support the proliferation and differentiation of pre B- and early T cells as well as displaying a biological effect on cells of NK and myeloid lineages.
| Description | Interleukin-7 Mouse Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 130 amino acids and having a molecular mass of 15.0 kDa. The IL-7 is purified by proprietary chromatographic techniques. |
| Protein Content | Protein quantitation was carried out by two independent methods: 1. UV spectroscopy at 280 nm using the absorbency value of 0.48 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics). 2. Analysis by RP-HPLC, using a standard solution of IL-7 as a Reference Standard. |
| Synonyms | Lymphopoietin 1 (LP-1), pre-B cell factor, IL-7. |
| Source | Escherichia Coli. |
| Amino Acid Sequence | MECHIKDKEG KAYESVLMIS IDELDKMTGT DSNCPNNEPN FFRKHVCDDT KEAAFLNRAA RKLKQFLKMN ISEEFNVHLL TVSQGTQTLV NCTSKEEKNV KEQKKNDACF LKRLLREIKT CWNKILKGSI. |
| Purity | >96% as determined by SDS-PAGE and HPLC |
| Formulation | Sterile Filtered White lyophilized (freeze-dried) powder. Filtered (0.2µm) and lyophilized from a concentrated (1mg/ml) solution in 1×PBS, pH7.4. |
| Stability | The lyophilized form of the protein is stable at room temperature for 3 weeks and at -20°C for at least 2 years from the date of receipt. Upon reconstitution, the protein should be stored at 4°C for no more than 7 days. The protein is stable at -20°C for six months. For long term storage, please store at -80°C and the addition of a carrier protein (0.1% HSA or BSA) is recommended. Please prevent freeze-thaw cycles. |
| Biological Activity | The ED50 as determined by the dose-dependant stimulation of murine 2E8 cells is < 0.2ng/ml, corresponding to a Specific Activity of 5,000,000 units/mg. |
| Solubility | It is recommended to reconstitute the lyophilized Interleukin 7 in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions. |
| Usage | LABORATORY RESEARCH USE ONLY. Not intended for diagnostic or therapeutic purposes. |
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Product Code: CY579
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