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Human SCF

Human SCF

Part Number: 100-04

Stem cell factor (SCF) is a cytokine made by fibroblasts and endothelial cells. SCF binds to the receptor c-Kit/CD117 and plays a critical role in the maintenance, survival, and differentiation of hematopoietic stem cells. While human SCF shows no activity on murine cells, murine and rat SCF are active on human cells.

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Description

Alternate Names:  c-Kit Ligand, KL, Steel Factor, MGF               Accession Number: P21583
Description:  Stem cell factor (SCF) is a cytokine made by fibroblasts and endothelial cells. SCF binds to the receptor c-Kit/CD117 and plays a critical role in the maintenance, survival, and differentiation of hematopoietic stem cells. While human SCF shows no activity on murine cells, murine and rat SCF are active on human cells.
Source:  Genetically modified E.coli.
Predicted MW: Monomer, 18.6 kDa (165 aa)
AA Sequence:  MEGICRNRVT NNVKDVTKLV ANLPKDYMIT LKYVPGMDVL PSHCWISEMV VQLSDSLTDL LDKFSNISEG LSNYSIIDKL VNIVDDLVEC VKENSSKDLK KSFKSPEPRL FTPEEFFRIF NRSIDAFKDF VVASETSDCV VSSTLSPEKD SRVSVTKPFM LPPVA
Formulation:  Lyophilized from a sterile (0.2 micron) filtered aqueous solution containing 10 mM sodium phosphate, 50 mM sodium chloride, pH 7.5.

Product Specifications*
*Lot-specific values for the following specifications are supplied with each product on its corresponding COA.  The values provided here are minimum expected values to pass internal requirements. 

Specification Method of Determination Acceptance Criteria
Purity Reducing and Non-Reducing SDS PAGE ≥95%
Endotoxin Kinetic LAL ≤1 EUs/µg
Biological Activity TF-1 cell proliferation ≤15 ng/mL; ≥ 6.7 x 10^4 units/mg

 

Preparation and Storage

Country of Origin:  USA        Shipping:  Room temperature

Storage Prior to Reconstitution:  -20°C
Product Reconstitution:  Sterile water at 0.1 mg/mL.
Instructions:  Centrifuge vial before opening. Suspend the product by gently pipetting the above recommended solution down the sides of the vial. DO NOT VORTEX. Allow several minutes for complete reconstitution. For prolonged storage, dilute to working aliquots in a 0.1% BSA solution, store at -80°C and avoid repeat freeze thaws.

Expiration Date:
12 months from date of receipt when stored at -20°C to-80°C as supplied.
1 month when stored at 4°C after reconstituting as directed.
3 months when stored at -20°C to -80°C after reconstituting as directed.

 

To receive more information or for a bulk quote, email quotes@shenandoah-bt.com.

Part Number: Other Terms: SCF

Additional information

Dimensions 1 × 1 × 1 cm
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Animal-Free Mg: 1 mg, Animal-Free Midgi: 500 ug, Animal-Free Mini: 2 ug, Animal-Free Std.: 10 ug, Animal-Free Value: 100 ug, Mg: 1 mg, Midgi: 500 ug, Mini: 2 ug, Std.: 10 ug, Value: 100 ug

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