Osteonectin, Recombinant, Human, His-Tag (SPARC, Secreted Protein, Acidic, Cysteine-rich, ON, OSN, BM-40)
Catalog No : USB-209123
473.58€
0.00€
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| Product name | Osteonectin, Recombinant, Human, His-Tag (SPARC, Secreted Protein, Acidic, Cysteine-rich, ON, OSN, BM-40) | ||
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| Catalog No | USB-209123 | ||
| Supplier’s Catalog No | 209123 | ||
| Supplier | US Biologicals | ||
| Source antigen | Recombinant, E. coli | ||
| Reactivity | |||
| Cross reactivity | |||
| Applications | |||
| Molecular weight | 34 | ||
| Storage | -20°C | ||
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| Other names | |||
| Grade | Highly Purified | ||
| Purity | ~95% (RP-HPLC, SDS-PAGE) | ||
| Form | Supplied as a lyophilized powder in 20mM PBS, pH 7.4. No preservative added. Reconstitute with 100ul sterile ddH2O. | ||
| Reactivity life | 12 months | ||
| Note | For reserch purpose only | ||
| Purity | ~95% (RP-HPLC, SDS-PAGE) | ||
| Description | SPARC, an acronym for “secreted protein, acidic and rich in cysteine”, is also known as osteonectin or BM-40. It is the founding member of a family of secreted matricellular proteins with similar domain structure. The 303aa, 43kD protein contains a 17aa signal sequence, an N-terminal acidic region that binds calcium, a follistatin domain containing Kazal-like sequences, and a C-terminal extracellular calcium (EC) binding domain with two EF-hand motifs. SPARC is produced by fibroblasts, capillary endothelial cells, platelets and macrophages, especially in areas of tissue morphogenesis and remodeling. SPARC shows context-specific effects, but generally inhibits adhesion, spreading and proliferation, and promotes collagen matrix formation. For endothelial cells, SPARC disrupts focal adhesions and binds and sequesters PDGF and VEGF. SPARC is abundantly expressed in bone, where it promotes osteoblast differentiation and inhibits adipogenesis. Source: Recombinant protein corresponding to human Osteonectin, a single, non-glycosylated, polypeptide chain containing 295aa, fused to 6X His-tag, expressed in E. coli. Molecular Weight: ~34kD Storage and Stability: Lyophilized powder may be stored at -20°C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer. | ||
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