Recombinant Human GRP78 protein (His Tag)
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- 表达系统： E.coli
- 蛋白编码： P11021
| 别称 |
BIP;GRP78;HEL-S-89n;HSPA5;MIF2
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| 表达系统 |
E.coli
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| 序列 |
Gln261-Glu470
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| 蛋白编码 |
P11021
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| 种属 |
Human
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| 计算分子量 |
23.0 kDa
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| 表观分子量 |
30 kDa
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| 标签 |
N-His
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| 生物活性 |
Not validated for activity
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| 纯度 |
> 95% as determined by reducing SDS-PAGE.
|
| 内毒素 |
< 10 EU/mg of the protein as determined by the LAL method
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| 保存条件 |
Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months.
|
| 运输条件 |
This product is provided as lyophilized powder which is shipped with ice packs.
|
| 制剂 |
Lyophilized from a 0.2 μm filtered solution in PBS with 5% Trehalose and 5% Mannitol.
|
| 复溶方法 |
It is recommended that sterile water be added to the vial to prepare a stock solution of 0.5 mg/mL. Concentration is measured by UV-Vis.
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| 背景 |
GRP78 (Glucose-regulated protein 78 kDa, also BiP and HSPA5) is a 72 kDa member of the heat shock protein 70 family of proteins. Intracellularly, GRP78 is an endoplasmic reticulum chaperone that participates in protein folding, extracellularly, it induces IL-10 production from T cells and interacts with Cripto to block TGF-beta signaling. Human GRP78 precursor is 654 amino acids (aa) in length. It contains an 18 aa signal sequence and a 636 aa mature region that shows a hydantoinase A region (aa 145-245) and a C-terminal KDEL motif that is present on intracellular GRP78, but absent on secreted GRP78. There is alternative splicing in the signal sequence (aa 1-10), and multiple single aa substitituion.
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实验操作视频
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