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100 µg
蛋白名称：ICOS ligand蛋白, ICOS ligand protein
蛋白构建：A DNA sequence encoding the mouse B7-H2 (NP_056605.1) extracellular domain (Met 1-Lys 279) was fused with the C-terminal polyhistidine-tagged Fc region of human IgG1 at the C-terminus.
表达宿主：HEK293 Cells
蛋白纯度：> 95 % as determined by SDS-PAGE
蛋白活性：Measured by its binding ability in a functional ELISA . Immobilized human ICOS at 1 μg/ml (100 μl/well) can bind biotinylated mouse B7-H2 Fc chimera with a linear range of 0.125-1.0 μg/ml .
蛋白内毒素：< 1.0 EU per μg of the protein as determined by the LAL method
预测N端：Glu 47
蛋白分子量：The secreted recombinant mouse B7-H2/Fc is a disulfide-linked homodimer after removal of the signal peptide. The reduced monomer comprises 481 amino acids with a predicted molecular mass of 54.3 kDa. As a result of glycosylation, it migrates as an approximately 75-85 kDa band in SDS-PAGE under reducing conditions.
蛋白NP号：NP_056605.1
蛋白氨基酸序列：Met1-Lys279
蛋白标签：C-human IgG1-Fc & His
蛋白保存条件：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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文献和实验Ligand- and Structure-Based Pregnane X Receptor Models
The human pregnane X receptor (PXR) is a ligand dependent transcription factor that can be activated by structurally diverse agonists including steroid hormones, bile acids, herbal drugs, and prescription medications. PXR regulates
X性联无丙种球蛋白血症(X-linked agammagl，bulinemia，XLA)是临床上首次确定的体液免疫缺陷病，由Brutor于1952年报道，故又称Bruton病。XLA作为常见的原发性免疫缺陷病之一，特点为血清中各类免疫球蛋白缺乏，或只能测得微量的抗体。外周血和淋巴组织中B细胞减少或完全缺乏，淋巴结中无生发中心和浆细胞。本病起病早，在出生数月后当患儿体内的母源性抗体水平下降时开始发病。临床表现为反复化脓性感染，患者细胞免疫功能不受影响(部分患者有T细胞数量减少)，主要缺陷
载体克隆到腺病毒载体 -- 0-15天 4天 获得重组腺病毒 14-21天 17-22天 4-7天 噬斑纯化 5-10天 0-5天 -- 总计 26-45天 24-56天 10-17天 以体外连接方法为基础 (by Mizuguchi和Kay)，CLONTECH的Adeno-X™表达系统提供了一种快速、高效构建重组腺病毒的方法。只需4至7天就可以获得重组腺病毒，如图1所示。由于经过7天的培养之后HEK 293细胞会渐渐失去对培养皿的附着而扩散，导致噬斑融合，用传统方法制备重组腺病毒往往需要铺平
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