Analytical Data
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基因名
S100A8-S100A9 Heterodimer
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简介
S100A8 consists of calcium and zinc bound S100A8, which plays a critical regulatory role in inflammation and immune responses. As calprotectin, it contributes to leukocyte function, regulates the cytoskeleton, and activates intracellular NADPH oxidase. S100A8-S100A9 Heterodimer Protein, Human (His) is a recombinant protein dimer complex containing human-derived S100A8-S100A9 Heterodimer protein, expressed by E. coli , with C-6*His labeled tag.
- Application
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生物活性
Measured by its ability to induce IL-6 secretion by A375 cells. The ED50 for this effect is typically 1.511 μg/mL. Corresponding to a specific activity is 661.813 U/mg. Measured by its ability to induce IL-6 secretion by A375 cells. The ED50 for this effect is typically 1.511 μg/mL. Corresponding to a specific activity is 661.813 U/mg.
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别名
S100A8/S100A9 Heterodimer
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种属
Human
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表达系统
E. coli
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标签
C-6*His
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纯度
Greater than 95% as determined by SDS-PAGE.
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蛋白编号
P05109 (M1-E93) (S100A8)&P06702 (T2-P114)
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表达区间
P05109 (M1-E93) (S100A8)&P06702 (T2-P114) (S100A9)
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氨基酸序列
MLTELEKALNSIIDVYHKYSLIKGNFHAVYRDDLKKLLETECPQYIRKKGADVWFKELDINTDGAVNFQEFLILVIKMGVAAHKKSHEESHKE&TCKMSQLERNIETIINTFHQYSVKLGHPDTLNQGEFKELVRKDLQNFLKKENKNEKVIEHIMEDLDTNADKQLSFEEFIMLMARLTWASHEKMHEGDEGPGHHHKPGLGEGTP
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分子量
13&15 kDa
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内毒素
< 1.0 EU per μg protein as determined by the LAL method.
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性状
Freeze-dried powder
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缓冲液
PBS, pH7.4, containing 0.01% SKL, 1mM DTT, 5% Trehalose and Proclin300.
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复溶方法
Reconstitute in ddH2O to a concentration of 0.1-0.5 mg/mL. Do not vortex.
- 个性化定制
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稳定性测试
The thermal stability is described by the loss rate. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37℃ for 48h, and no obvious degradation and precipitation were observed. The loss rate isless than 8% within the expiration date under appropriate storage condition.
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保存条件 & 期限
Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃. Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
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运输条件
In general, recombinant proteins are supplied as lyophilized powder and shipped at ambient temperature. For bulk packages, the proteins are provided as frozen liquid and shipped with blue ice, unless otherwise requested by the customer.
Quality inspection process
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Protein Description
The S100A8-S100A9 heterodimer, also known as calprotectin, is a complex of two calcium-binding proteins that play a pivotal role in the innate immune response and are found predominantly in myeloid cells. This protein complex is implicated in various pathological conditions, including inflammation, cancer, and autoimmune diseases. It acts as a damage-associated molecular pattern (DAMP) molecule, contributing to the recruitment and activation of immune cells at sites of injury or infection. Research has highlighted its role in enhancing the inflammatory response, modulating cytokine secretion, and serving as a marker for inflammatory diseases. Given its significance, the recombinant expression of the S100A8-S100A9 heterodimer provides a valuable tool for studying its biochemical and biological properties. Understanding its structural dynamics, interaction patterns, and functional mechanisms is crucial for developing therapeutic strategies aimed at regulating inflammatory responses or targeting diseases associated with dysregulated S100A8-S100A9 activity. Consequently, the production of recombinant S100A8-S100A9 not only facilitates academic research but also has the potential to contribute to clinical applications, including diagnostic assays and novel anti-inflammatory therapies.
