SCF Human, Sf9-Stem Cell Factor

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SCF Human, Sf9

Qty


Total
$65
Catalog #
CYPS-428
Size
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 (6x His) and purified by proprietary chromatographic techniques.
Additional Information
IntroductionStem 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).
SynonymsKit ligand Precursor, C-kit ligand, SCF, Mast cell growth factor, MGF, SF, KL-1, Kitl, DKFZp686F2250.
SourceSf9, Insect Cells.
Physical AppearanceSterile Filtered White lyophilized (freeze-dried) powder.
FormulationThe protein is supplied in 1X PBS, pH 7.4.
SolubilityIt is recommended to reconstitute the lyophilized Stem Cell Factor in 10 mM acetic acid not less than 100
StabilityLyophilized KIT ligand althoµgh 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.
PurityGreater than 95.0% as determined by:(a) Analysis by RP-HPLC.(b) Analysis by SDS-PAGE.
Biological ActivityThe ED50 as determined by the dose-dependant stimulation of Human TF-1 cells is typically 2-5ng/ml, corresponding to a Specific Activity of 200,000-500,000units/mg.
UsageNeoScientific's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drµgs, agricultural or pesticidal products, food additives or household chemicals.
Background

N/A

Protocol

N/A

MSDS
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