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Sku: CM088-5HP
Categories: Recombinant Protein

Key features and details:

  • Expression System:Escherichia coli
  • Purity/method:>98% as determined by SDS-PAGE. Ni-NTA chromatography
  • Fusion tag:His-tag at the C-terminus
  • Application: WB, ELISA, SDS-PAGE, Cell culture, Elisa

Product Description:

Protein Description:

Transforming growth factor beta 1 or TGF-ض1 is a polypeptide member of the transforming growth factor beta superfamily of cytokines. It is a secreted protein that performs many cellular functions, including the control of cell growth, cell proliferation, cell differentiation, and apoptosis. In humans, TGF-ض1 is encoded by the TGFB1 gene.

Protein Accession: P01137.2

Gene ID: 7040

Species: Human

Expression Sequence:

MALDTNYCFSSTEKNCCVRQLYIDFRKDLGWKWIHEPKGYHANFCLGPCPYIWSLDTQYSKVLALYNQHNPGASAAPCCVPQALEPLPIVYYVGRKPKVEQLSNMIVRSCKCS with polyhistidine tag at the C-terminus.

Activity:

Measure by its ability to inhibit the IL-4 dependent proliferation in HT-2 cells. The ED50 for this effect is <0.1 ng/mL. The specific activity of recombinant human TGF beat 1 is approximately >5 x 107 IU/mg. Measure by its ability to induce proliferation in MCF-7 cells. The ED50 for this effect is <3.2 ng/mL.

C3

Endotoxin level: <0.1 EU per 1 ug of the protein by the LAL method.

Calculated Molecular Weight: 13.7 kDa

Formulation: The protein was lyophilized from a solution containing 1X PBS, pH 8.0.

Reconstitution:

It is recommended to reconstitute the lyophilized protein in sterile H2O to a concentration not less than 100 ug/mL and incubate the stock solution for at least 20 min to ensure sufficient re-dissolved. In some experiments, it recommends to add 10 mM HCl when reconstitute lyophilized protein.

Shipping: Blue Ice

Stability and Storage:

Lyophilized protein should be stored at -20 degrees Celsius for 1 year. Upon reconstitution, store at 2 degrees Celsius to 8 degrees Celsius for up to 1 week. Further dilute in a buffer containing a carrier protein or stabilizer (e.g. 0.1% BSA, 10%FBS, 5%HSA or 5% trehalose solution), protein aliquots should be stored at -20 degrees Celsius or -80 degrees Celsius for 3-6 months.

Category: Cytokines

SDS-PAGE Image Name: human TGF beta 1

Datasheets and documents:

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