Human SCF, His Tag, E. coli

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Catalog Number

LDG173PHE

Datasheet

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• Specifications

  • Species of Origin

    Human

    Expression System

    Escherichia coli

  • Affinity Tag

    His Tag (C-term)

    Storage Buffer

    Lyophilized from a 0.2 µm filtered solution of PBS, pH 7.4.

  • Purity

    >98% as determined by SDS-PAGE analysis.

    Molecular weight

    The protein has a calculated MW of 19.4 kDa.
    The protein migrates as 21 kDa under reducing condition (SDS-PAGE analysis).

  • Activity

    Measure by its ability to induce TF-1 cells proliferation. The ED₅₀ for this effect is <5 ng/mL. The specific activity of recombinant human SCF is > 5 x 10⁵ IU/mg.

    Endotoxin Level

    <0.1 EU per 1 μg of the protein by the LAL method.

  • Form

    Lyophilized

• Background

  • Background

    Stem Cell Factor (SCF) is a 166-amino-acid protein with a monomeric molecular weight of approximately 18.5 kDa. SCF is the ligand for the tyrosine kinase receptor c-kit, which regulates other Growth Factorss, such as granulocyte colony-stimulating factor (G-CSF), granulocyte macrophage-colony-stimulating factor (GM-CSF), and interleukin-3 to stimulate proliferation, and differentiation of hematopoietic stem cells. SCF can be produced by a variety of cells, including fibroblasts, smooth muscle, endothelial cells, mast cells and bone marrow macrophages endothelial cells.

    Synonyms

    Stem cell factor, Mast cell Growth Factors , MGF, c-Kit ligand, Kit ligand

  • Uniprot ID

    P21583

    Sequence Note

    Glu26-Ala189

• Instruction

  • Reconstitution

    It is recommended to reconstitute the lyophilized protein in sterile H₂O to a concentration of 200 μg/mL and incubate the stock solution for at least 20 min to ensure sufficient re-dissolved.

    Shipping

    The product is shipped with polar packs. Upon receipt, store it immediately at -20°C or lower for long term storage.

  • Stability & Storage

    This product is stable after storage at:

    • -20°C for 12 months in lyophilized state from date of receipt.
    • -20°C or -80°C for 1 month under sterile conditions after reconstitution.

    Avoid repeated freeze/thaw cycles.

• Image

  Human SCF, His Tag, E. coli (LDG173PHE) induced TF-1 cell proliferation.

  SDS-PAGE analysis of recombinant human SCF.

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• Datasheet & Documents

  Datasheet

  MSDS

  Manual

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Disclaimer：For Research Use or Further Manufacturing Only.

Last updated：2026.09.14