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POSTN (Periostin, OSF-2) is a secreted, homodimeric protein that belongs to the periostin family of the FAS1 superfamily of molecules. It is a TGF-beta inducible molecule that serves as both an adhesion molecule and tumor suppressor. It is synthesized by smooth muscle cells, fibroblasts and osteoblasts, as well as in the periosteum and periodontal ligament. Periostin functions as a ligand for alpha-V/beta-3 and alpha-V/beta-5 integrins to support adhesion and migration of epithelial cells.
Recombinant Human POSTN (Periostin, OSF-2) expressed the target gene encoding Asn22-Gln779 with a 6His tag at the C-terminus.
Accession: Q15063-2
Endotoxin < 1 EU/µg
Apparent Molecular Weight: 85-90 KDa, reducing conditions
Lyophilized from a 0.2 μm filtered solution of 20mM Tris-HCl, 150mM NaCl, pH 8.0.
| Form | Lyophilized powder |
| Solubility (25°C) | Reconstitute the lyophilized powder in distilled water up to 100 μg/ml. |
| Storage | Stored at ≤ -20°C, stable for one year after receipt. Reconstituted protein solution can be stored at 2-8°C for 2-7 days and at -20°C for 3 months. |
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Products are for research use only. Not for human use. We do not sell to patients.
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