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CXCL12/SDF-1, Mouse, Recombinant
貨號：PCK334
價格：￥680
規(guī)格：
10μg
- 10μg
產(chǎn)品概述
產(chǎn)品信息
| 別名 | PB, PBSF/SD, Pbsf, SDF-, Scyb1, Scyb12, Sdf, Sdf1, TLS, TP, Tlsf, Tpar1 |
| 物種 | Mouse |
| 表達宿主 | E.coli |
| 序列信息 | MGKPVSLSYRCPCRFFESHIARANVKHLKILNTPNCALQIVARLKNNNRQVCIDPKLKWIQEYLEKALNK with polyhistidine tag at the C-terminus. |
| 檢索號 | P40224 |
| 分子量 | 8.97 kDa |
| 表觀分子量 | 8-11 kDa |
| 標(biāo)簽 | His-tag?at?the?C-terminus |
| 生物活性 | Measure by its ability to chemoattract BaF3 cells transfected with human CXCR4.The ED50 for this effect is <0.5 ng/mL. |
產(chǎn)品特性
| 純度 | >98% as determined by SDS-PAGE. Ni-NTA chromatography |
| 內(nèi)毒素 | <0.1 EU per 1 μg of the protein by the LAL method. |
| 保存 | Lyophilized protein should be stored at -5~-20°C for 1 year. Upon reconstitution, store at 2-8°C 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 -5~-20°C or -80°C for 3-6 months. |
| 運輸 | Ambient temperature or ice pack. |
| 制劑 | The protein was lyophilized from a 0.2 μm filtered solution containing 1X PBS, pH 7.4. |
| 復(fù)融 | It is recommended to reconstitute the lyophilized protein in sterile water to a concentration not less than 100 μg/mL.Do Not Vortex! Vigorous shaking may impair the biological activity of the protein. |
背景介紹
The stromal cell-derived factor 1 (SDF1), also known as C-X-C motif chemokine 12 (CXCL12), is a chemokine protein that in humans is encoded by the CXCL12 gene on chromosome 10. It is ubiquitously expressed in many tissues and cell types. Stromal cell-derived factors 1-alpha and 1-beta are small cytokines that belong to the chemokine family, members of which activate leukocytes and are often induced by proinflammatory stimuli such as lipopolysaccharide, TNF, or IL1. The chemokines are characterized by the presence of 4 conserved cysteines that form 2 disulfide bonds. They can be classified into 2 subfamilies. In the CC subfamily, the cysteine residues are adjacent to each other. In the CXC subfamily, they are separated by an intervening amino acid. The SDF1 proteins belong to the latter group. CXCL12 signaling has been observed in several cancers. The CXCL12 gene also contains one of 27 SNPs associated with increased risk of coronary artery disease.
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