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Stem Cell Factor Human Recombinant, Sf9 ( SCF Human, Sf9 )
DescriptionStem Cell Factor Human Recombinant produced in insect cells is a single, glycosylated polypeptide chain containing 165 amino acids and having a molecular mass of 18409 Dalton. The SCF is fused to a C-terminal His-tag (6x His) and purified
Data sheet
| Formulation | The protein is supplied in 1xPBS, pH 7.4. |
| Solubility | It is recommended to reconstitute the lyophilized Stem Cell Factor in 10mM acetic acid not less than 100ug/ml, which can then be further diluted to other aqueous solutions. |
| Purity | Greater than 98.0% as determined by analysis by SDS-PAGE. |
| Description | Stem Cell Factor Human Recombinant produced in insect cells is a single, glycosylated polypeptide chain containing 165 amino acids and having a molecular mass of 18409 Dalton. The SCF is fused to a C-terminal His-tag (6xHis) and purified by proprietary chromatographic techniques. |
| Protein Background | Stem cell factor / KIT ligand (SCF) is a cytokine which binds CD117(c-Kit). SCF is also known as "steel factor" or "c-kit ligand". SCF exists in two forms, cell surface bound SCF and soluble (or free) SCF. Soluble SCF is produced by the cleavage of surface bound SCF by metalloproteases.SCF is a growth factor important for the survival, proliferation, and differentiation of hematopoietic stem cells and other hematopoietic progenitor cells. One of its roles is to change the BFU-E (burst-forming unit-erythroid) cells, which are the earliest erythrocyte precursors in the erythrocytic series, into the CFU-E (colony-forming unit-erythroid). |
| Expression host | Sf9, Insect Cells. |
| Synonyms | Kit ligand Precursor, C-kit ligand, SCF, Mast cell growth factor, MGF, SF, KL-1, Kitl, DKFZp686F2250. |
| Reagent Appearance | Sterile Filtered White lyophilized (freeze-dried) powder. |
| Stability | Lyophilized KIT ligand although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution SCF should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles. |
| Biological Activity | The ED50 as determined by the dose-dependent stimulation of Human TF-1 cells is typically 1-5 ng/ml. |