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产品概述
产品信息
| 别名 | MIP-1b: Macrophage Inflammatory Protein-1β, ACT-2 |
| 物种 | Human |
| 表达宿主 | E.coli |
| 序列信息 | APMGSDPPTACCFSYTARKLPHNFVVDYYETSSLCSQPAVVFQTKRGKQVCADPSESWVQEYVYDLELN. |
| 检索号 | P13236.1 |
| 分子量 | 7.75 kDa |
| 表观分子量 | 11 kDa |
| 标签 | tag-free |
| 生物活性 | Measure by its ability to chemoattract BaF3 cells transfected with human CCR5.The ED50 for this effect is <10 ng/mL. |
产品特性
| 纯度 | >98% as determined by SDS-PAGE. Ni-NTA chromatography |
| 内毒素 | <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. |
| 运输 | Ambient temperature or ice pack. |
| 制剂 | The protein was lyophilized from a 0.2 µm filtered solution containing 50 mM Tris and 150 mM NaCl, pH 8.5. |
| 复融 | 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. |
背景介绍
CCL4 act as an important pro-inflammatory cytokine during acute and chronic inflammatory responses. CCL4 also play a role as an attractant NK cells, dendritic cells, monocytes, and lymphocytes to sites of injury and inflammation. As CCL4 conducts signaling through G-protein-coupled receptor CCR5, which is a major co-receptor for M-tropic HIV strains. Thus, binding of CCL4 to CCR5 inhibits HIV entry and reduces the cell surface expression of CCR5. CCL4 has been identified as one of the major anti-HIV factors produced by CD8+ T cells.
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