Human Transforming Growth Factor β3 (hTGF-β3) #8425
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Inquiry Info. # 8425
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Product Information
Product Usage Information
Reconstitution:
With carrier: Add sterile 20 mM Citrate, pH 3.0 to a final hTGF-β3 concentration of greater than 50 μg/ml. Solubilize for 30 minutes at room temperature with occasional gentle vortexing.
Carrier free: Add sterile 20 mM Citrate, pH 3.0, or 20 mM Citrate, pH 3.0 containing protein to minimize absorption of hTGF-β3 to surfaces. Solubilize for 30 minutes at room temperature with occasional gentle vortexing. Stock hTGF-β3 should be greater than 50 μg/ml.
Formulation
Storage
Maintain sterility. Storage at -20°C should be in a manual defrost freezer.
Product Description
| MW (kDa) | 12 |
| Purity | >98% as determined by SDS-PAGE of 6 μg reduced (+) and non-reduced (-) recombinant hTGF-β3. Less than 5% migrates as monomer hTGF-β3 under non-reduced (-) conditions. All lots are greater than 98% pure. |
| Endotoxin | Less than 0.01 ng endotoxin/1 μg hTGF-β3. |
| Activity | The bioactivity of recombinant hTGF-β3 was determined by assessing inhibition of IL-4 induced HT-2 cell proliferation. The ED50 of each lot is between 0.02-0.1 ng/ml. |
| Molecular Formula | Recombinant hTGF-β3 contains no "tags" and the nonglycosylated protein has a calculated MW of 12,722. DTT-reduced protein migrates as a 12 kDa polypeptide and the non-reduced cystine-linked homodimer migrates as a 22 kDa protein. The expected amino-terminal ALDTN of recombinant hTGF-β3 was verified by amino acid sequencing. |
Source / Purification
Background
- Siegel, P.M. and Massagué, J. (2003) Nat Rev Cancer 3, 807-21.
- Bierie, B. and Moses, H.L. (2006) Nat Rev Cancer 6, 506-20.
- Damstrup, L. et al. (1993) Br J Cancer 67, 1015-21.
- Constam, D.B. et al. (1992) J Immunol 148, 1404-10.
- Moustakas, A. and Heldin, C.H. (2009) Development 136, 3699-714.
- Dünker, N. and Krieglstein, K. (2000) Eur J Biochem 267, 6982-8.
限制使用
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