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SCF, Recombinant, Human (Stem Cell Factor, Stem Cell Factor Precursor, c-Kit Ligand, DKFZp686F2250, FPH2, KIT Ligand, KitL, KITLG, KL-1, Mast Cell Growth Factor, MGF, SHEP7, Steel Factor, SF)

Cat no: S0400-09

SCF, Recombinant, Human (Stem Cell Factor, Stem Cell Factor Precursor, c-Kit Ligand, DKFZp686F2250, FPH2, KIT Ligand, KitL, KITLG, KL-1, Mast Cell Growth Factor, MGF, SHEP7, Steel Factor, SF)

Stem Cell Factor (SCF) is a hematopoietic growth factor that stimulates the proliferation of mast cells. SCF also mediates cell-cell adhesion and acts synergistically with other cytokines. The actions of SCF are exerted by binding to the SCF Receptor (PE-1243-50) which results in receptor dimerization. SCF is a type I membrane glycoprotein with 5 potential N-linked glycosylation sites. Soluble SCF is produced by proteolytic cleavage of the extracellular domain.\n\nSource:\nDNA sequence encoding the signal peptide and the mature Stem Cell Factor (SCF) protein of human SCF was expressed in modified human 293 cells.\n\nBiological. Activity:\nThe ED50 of SCF is typically 10-20 ng/ml as measured in a cell proliferation assay using the human growth factor-dependent M-07e cell line.\n\nApplications: \nSuitable for use in Western Blot. Other applications not tested. \n\nRecommended Dilution:\nWestern Blot: SCF migrates as a broad band between ~20 and 42kD in SDS-PAGE due to post-translational modifications. Unmodified SCF has a predicted molecular mass of 21.0kD. SCF separates into a number of isoforms with a pI between 3.0 and 7.0 in 2D PAGE due to post-translational modifications. This compares with the unmodified SCF with a predicted pI of 5.76. \nOptimal dilutions to be determined by the researcher.\n\nStorage and Stability:\nLyophilized powder may be stored at -20 degrees C. Stable for 12 months at -20 degrees C. Reconstitute with sterile PBS. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.

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SPECIFICATIONS

Catalog Number

S0400-09

Size

2ug

Applications

WB

Form

Supplied as lyophilized powder from PBS, 1% HSA, 10% trehalose. Reconstitute with 500ul sterile PBS.

Purity

~95% (SDS-PAGE, silver stain)

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