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HMGB1 Protein (Non-oxidizable)

This Recombinant HMGB1 protein is expressed in 大肠杆菌(E. Coli) and has been mentioned in 1 publication.
产品编号 ABIN1176829
发货至: 中国
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Quick Overview for HMGB1 Protein (Non-oxidizable) (ABIN1176829)

抗原

See all HMGB1 蛋白
HMGB1 (High Mobility Group Box 1 (HMGB1))

蛋白类型

Recombinant

生物活性

Active

宿主

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人, 小鼠, 大鼠

资源

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大肠杆菌(E. Coli)

应用范围

Activation (Act), Cellular Assay (CA)

纯度

> 95 %
  • 产品特性

    Non-oxidizable

    序列

    MGKGDPKKPR GKMSSYAFFV QTSREEHKKK HPDASVNFSE FSKKSSERWK TMSAKEKGKF EDMAKADKAR YEREMKTYIP PKGETKKKFK DPNAPKRPPS AFFLFSSEYR PKIKGEHPGL SIGDVAKKLG EMWNNTAADD KQPYEKKAAK LKEKYEKDIA AYRAKGKPDA AKKGVVKAEK SKKKKEEEDD EEDEEDEEEE EEEEDEDEEE DDDDE

    产品特性

    This product is a mutant protein where all cysteines are replaced with serines. Non-oxidizable chemokine-HMGB1, LPS free, has chemoattractant activity in vitro and in vivo, does not have cytokine-inducing activity and is resistant to inactivation by ROS. This product is produced in E.coli. The product can be used to recruit leukocytes in vivo without inducing cytokine/chemokine production (Venereau et al, 2012). It contains only trace amounts of LPS (<0.4 ng/mg protein), and is tested for the ability y to induce fibroblast migration. LPS free. Measured by its ability to induce migration. Maximal activity in the cell migration assay is obtained at 1 nM.

    纯化方法

    Purified

    内毒素水平

    The purified protein is free from LPS (Cambrex Limulus Amoebocyte Assay QCL-1000, <0.4 ng LPS per mg protein).
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  • 限制

    仅限研究用
  • 状态

    Lyophilized

    缓冲液

    Non-oxidizable chemokine-HMGB1 is lyophilized from 50 mM HEPES buffer, pH 7.9 and 500 mM NaCl.

    储存条件

    4 °C/-20 °C

    储存方法

    The protein once resuspended can be stored frozen (-20°C).
  • Venereau, Casalgrandi, Schiraldi, Antoine, Cattaneo, De Marchis, Liu, Antonelli, Preti, Raeli, Shams, Yang, Varani, Andersson, Tracey, Bachi, Uguccioni, Bianchi: "Mutually exclusive redox forms of HMGB1 promote cell recruitment or proinflammatory cytokine release." in: The Journal of experimental medicine, Vol. 209, Issue 9, pp. 1519-28, (2012) (PubMed).

  • 抗原

    HMGB1 (High Mobility Group Box 1 (HMGB1))

    别名

    High-mobility group protein B1 (HMGB1)

    背景

    HMGB1 is a nuclear protein that is released passively by necrotic cells, retained by apoptotic cells, and secreted actively by inflammatory cells. HMGB1 is essential for life: Hmgb1 knockout mice die shortly after birth.HMGB1 contains three conserved cysteine residues (C23, C45 and C106) and is a redox-sensitive. Chemotaxis-HMGB1 (the form with chemoattractanct activity) is completely reduced, cytokine-HMGB1 contains a disulfide bond between C23 and C45, further oxidation to sulfonates abrogate both activities.In Non-oxidizable chemokine-HMGB1 all cysteines are replaced with serines: these replacements preserve chemoattractant activity in vitro and in vivo, eliminate the cytokine-inducing activity and make the protein resistant to inactivation by ROS.
    HMGB1 consists of two fairly rigid, L-shaped DNA-binding domains, each referred to as a ‘HMG box’, and an unstructured tail that ends with 30 consecutive negatively charged amino acids. Non-oxidizable chemokine-HMGB1 consists of 215 amino acid residues and has a calculated molecular mass of approximately 24.8 kDa.

    途径

    p53 Pathway, Regulation of Muscle Cell Differentiation, Skeletal Muscle Fiber Development, Positive Regulation of Endopeptidase Activity, Regulation of Carbohydrate Metabolic Process, Toll-Like Receptors Cascades, Smooth Muscle Cell Migration, Inflammasome
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