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HMGB1 Human/人高迁移率组-蛋白Box 1
点击次数：198发布时间：2012/10/31 19:47:29
更新日期：2024/10/16 16:00:43
所 在 地：美洲
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详细内容
HMGB1 Human/人高迁移率组-蛋白Box 1
产品编号：PRO-581
产品规格：10μg/50μg/1mg
产品规格：10μg/50μg/1mg
| Synonyms | HMG1, HMG3, SBP-1, Amphoterin, HMGB1, High-Mobility Group Box 1. |
| Introduction | 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. |
| Description | HMG1 Human Recombinant fused with 6X His tag produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 223 amino acids ａnd having a molecular mass of 26 kDa. The HMGB-1 is purified by proprietary chromatographic techniques. |
| Source | Escherichia Coli. |
| Physical Appearance | Sterile Filtered White lyophilized （freeze-dried） powder. |
| Formulation | The HMG1 （1 mg/ml） was lyophilized after extensive dialyses against 1x PBS pH-7.4. |
| Solubility | It is recommended to reconstitute the lyophilized HMGB1 in sterile 18MΩ-cm H2O not less than 100 μg/ml, which can then be further diluted to other aqueous solutions. |
| Stability | Lyophilized HMGB1 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution HMGB1 should be stored at 4°C between 2-7 days ａnd for future use below -18°C. For long term storage it is recommended to add a carrier protein （0.1% HSA or BSA）. Please prevent freeze-thaw cycles. |
| Purity | Greater than 95.0% as determined by（a） Analysis by RP-HPLC. （b） Analysis by SDS-PAGE. |
| Amino acid sequence | MGKGDPKKPRGKMSSYAFFVQTCREEHKKKHPDASVNFSEFSKKCSERWKT MSAKEKGKFEDMAKADKARYEREMKTYIPPKGETKKKFKDPNAPKRPPSAFF LFCSEYRPKIKGEHPGLSIGDVAKKLGEMWNNTAADDKQPYEKKAAKLKEKY EKDIAAYRAKGKPDAAKKGVVKAEKSKKKEEEEDEEDEEDEEEEEDEEDEDE EEDDDDELEHHHHHH. |
| Usage | Prospec＇s products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals. |
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