- 商品介绍
- 规格参数
- 包装参数
General description
Osteopontin (OPN) is a multifunctional protein. It is released by macrophages, T cells and epithelial cells. It has 261 amino acid residues with a molecular mass of 29,283 Da. Osteopontin is also called as uropontin. Osteopontin from bovine milk is highly glycosylated and phosphorylated. SPP1 gene (secreted phosphoprotein 1) codes for osteopontin. This gene is located on human chromosome 4 and cow chromosome 6. It has seven exons and six introns.
Biochem/physiol Actions
Osteopontin stimulates cell mediated responses, chemotaxis of inflammatory cells and anti-inflammatory responses. It binds to av-containing integrins and stimulate cell adhesion and migration. Osteopontin promotes Th1 type immunity.
A secreted, highly acidic, calcium binding, phosphorylated glycoprotein that is chemotactic for macrophages, smooth muscle cells, endothelial cells, and glial cells. In activated macrophages, OPN inhibits nitric oxide production and cytotoxicity. Human, mouse, rat, pig, and bovine OPN share 40% amino acid sequence identity.
Physical form
Lyophilized from a 0.2 μm filtered solution in phosphate buffered saline containing 2.5 mg bovine serum albumin.
Analysis Note
The biological activity is measured by its ability to mediate 293 cell adhesion.
| biological source | bovine milk |
| Quality Level | 100 |
| sterility | sterile |
| assay | >85% (by SDSPAGE under reducing conditions and visualized by silver stain) |
| form | lyophilized powder |
| mol wt | ~60 kDa (reducing conditions) |
| packaging | pkg of 50 μg |
| technique(s) | cell culture | mammalian: suitable |
| UniProt accession no. | P31098,P31096 |
| shipped in | ambient |
| storage temp. | -10 to -25°C |
| Gene Information | cow ... SPP1(281499) |
| 长度(mm) | |
| 宽度(mm) | |
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| 重量(kg) |
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¥ 1259.40
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¥ 9207.92
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