重组人高迁移率族蛋白框1

中文名称

【HMGB1】重组人高迁移率族蛋白框1

英文名字

Recombinant Human High-Mobility Group Box 1

供应商

ProSpec

产品货号

PRO-581

产品报价

￥800/10ug   ￥2080/50ug   ￥28980/1mg

产品说明书

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购买方式

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产品新闻

背景资料

High-mobility group box 1 protein （HMGB1）， previously known as HMG-1 or amphoterin， is a member of the high mobility group box family of non-histone chromosomal proteins. Human HMGB1 is expressed as a 30 kDa， 215 amino acid （aa） single chain polypeptide containing three domains: two N-terminal globular， 70 aa positively charged DNA-binding domains （HMG boxes A and B）， and a negatively charged 30 aa C-terminal region that contains only Asp and Glu.4， 5 Residues 27 - 43 and 178 - 184 contain a NLS. Posttranslational modifications of the molecule have been reported， with acetylation occurring on as many as 17 lysine residues. HMGB1 is expressed at high levels in almost all cells. It was originally discovered as a nuclear protein that could bend DNA. Such bending stabilizes nucleosome formation and regulates the expression of select genes upon recruitment by DNA binding proteins.

序列

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来源宿主

大肠杆菌中重组表达

溶解建议

Sterile Filtered White lyophilized （freeze-dried） powder. The HMG1 （1 mg/ml） was lyophilized after extensive dialyses against 1x PBS pH-7.4. It is recommended to reconstitute the lyophilized HMGB1 in sterile 18MΩ-cm H2O not less than 100 ug/ml， which can then be further diluted to other aqueous solutions.

保存建议

Lyophilized HMGB1 although stable at room temperature for 3 weeks， should be stored desiccated below -18℃. Upon reconstitution HMGB1 should be stored at 4℃ between 2-7 days and for future use below -18℃. For long term storage it is recommended to add a carrier protein （0.1% HSA or BSA）. Please prevent freeze-thaw cycles.

其他

ProSpec 是一家全球著名细胞因子蛋白生产和研发的公司，具有20多年的生产经验，专注于蛋白（重组及合成）生产研发。我们的核心产品包括：干扰素、白介素、骨蛋白、肿瘤坏死因子、成纤维生长因子、瘦素、干细胞因子、催乳素、表皮生长因子、胰岛素样生长因子、神经生长因子、集落刺激因子、激素、酶、病毒抗原以及各种重组蛋白等。 领先的生产工艺和规模使其可以提供毫克到克级蛋白，价格优于同类公司。绝大部分产品是天然成熟型蛋白，而不含有标签蛋白。考虑到大部分研究者希望能更灵活地配制蛋白溶液，ProSpec-Tany绝大部分产品没有添加保护剂或盐，这就对工艺提出了更高的要求。同时，ProSpec-Tany绝大部分产品为冻干粉，因此易于运输和保存。