Human Beta-NGF, His Tag, E. coli

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Catalog Number

LDG129PHE

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 containing 20 mM sodium citrate and 0.2 M NaCl, pH 4.5.

  • Purity

    >98% as determined by SDS-PAGE analysis.

    Molecular weight

    The protein has a calculated MW of 14.43 kDa.
    The protein migrates as 11 kDa under reducing condition (SDS-PAGE analysis).

  • Activity

    Measure by its ability to induce TF-1 cells proliferation. The ED₅₀ for this effect is <0.7 ng/mL. The specific activity of recombinant human beta-NGF is > 1 x 10⁶ IU/mg.

    Endotoxin Level

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

  • Form

    Lyophilized

• Background

  • Background

    Nerve Growth Factors (NGF) is critical for the development and maintenance of the sympathetic and sensory neuron systems. NGF has been demonstrated as a complex that consists of three polypeptides named α, β and γ subunits. Among then, β subunit, which known as beta-NGF is a 26.9 kDa protein containing 241 residues that involve in neuronal survival and differentiation. Besides, beta-NGF also acts as a ligand to TRKA receptor, which indispensable for the differentiation and development of pain and temperature sensing neurons.

    Synonyms

    Nerve Growth Factors-Beta, Beta-NGF

  • Uniprot ID

    #P01138

    Sequence Note

    Ser122-Ala241

• Instruction

  • Reconstitution

    It is recommended to reconstitute the lyophilized protein in sterile H₂O to a concentration not less than 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 Beta-NGF, His Tag, E. coli (LDG129PHE) induced TF-1 cell proliferation, with the ED50 at 0.6093 ng/mL.

  

  SDS-PAGE analysis of recombinant human beta-NGF.

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• Datasheet & Documents

  Datasheet

  MSDS

  Manual

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Disclaimer：For Research Use or Further Manufacturing Only.