- ￥818 - 4499
- DIMA BIOTECH/缔码生物
- 武汉
- PME-F100001
- 2025年11月27日
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- 详细信息
- 文献和实验
- 技术资料
- 保存条件：
Store at -20°C to -80°C for 12 months in lyophilized form. After reconstitution, if not intended for use within a month, aliquot and store at -80°C (Avoid repeated freezing and thawing). Lyophilized proteins are shipped at ambient temperature.
- 保质期：
12个月
- 英文名：
Recombinant Feline IL31 protein with C-terminal 6×His tag
- 库存：
In Stock
- 供应商：
缔码生物（武汉）科技有限公司
- 规格：
10μg/50μg/100μg
| 规格： | 10μg | 产品价格： | ￥818.0 |
|---|---|---|---|
| 规格： | 50μg | 产品价格： | ￥2999.0 |
| 规格： | 100μg | 产品价格： | ￥4499.0 |
| 产品类型 | ECD Proteins |
|---|---|
| 靶点 | IL31 |
| Uniprot ID | XP_011286140.1 |
| 别名 | Interleukin-31，IL-31 |
| 背景 | IL31, which is made principally by activated Th2-type T cells, interacts with a heterodimeric receptor consisting of IL31RA (MIM 609510) and OSMR (MIM 601743) that is constitutively expressed on epithelial cells and keratinocytes. IL31 may be involved in the promotion of allergic skin disorders and in regulating other allergic diseases, such as asthma (Dillon et al., 2004 [PubMed 15184896]).[supplied by OMIM, Mar 2008] |
| 产品英文名称 | Recombinant Feline IL31 protein with C-terminal 6×His tag |
| 分子结构 | IL31(Ala27-Gln159) 6×His tag |
| 分子量 | The protein has a predicted molecular mass of 16.2 kDa after removal of the signal peptide. The apparent molecular mass of fIL31-His is approximately 15-25 kDa due to glycosylation. |
| 纯度 | The purity of the protein is greater than 85% as determined by SDS-PAGE and Coomassie blue staining. |
| 标签 | C-6×His tag |
| 有无偶联 | Unconjugated |
| 表达宿主 | HEK293 |
| 组分 | Lyophilized from sterile PBS, pH 7.4. Normally 5 % - 8% trehalose is added as protectants before lyophilization. Please see Certificate of Analysis for specific instructions of reconstitution. |
| 货期 | In Stock |
| 储存与运输 | Store at -20°C to -80°C for 12 months in lyophilized form. After reconstitution, if not intended for use within a month, aliquot and store at -80°C (Avoid repeated freezing and thawing). Lyophilized proteins are shipped at ambient temperature. |
| 应用范围 | Research use only |
Figure 1. Feline IL31 Protein, His Tag on SDS-PAGE under reducing condition.
Figure 2. ELISA plate pre-coated by 2 μg/mL (100 μL/well) Feline IL31 Protein, His Tag (PME-F100001) can bind Anti-Feline IL31(dovanvetmab biosimilar) mAb (BME100269) in a linear range of 3.20–400 ng/mL.
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文献和实验缓冲液为破菌缓冲液。对于不可溶表达的重组蛋白，最简单的就是选用PBS为破菌缓冲液。 在选用破菌缓冲液时，有个小小的trick，加EDTA。有个别重组蛋白很脆弱，在超声破菌时就有大量的降解。注意，不是表达降解，而是超声过程中降解。特别是用pET32表达的his-tag融合蛋白容易降解，我运气好，遇到过2次这种超声降解。第一次碰到时，害得我好苦。反复找原因，是诱导表达温度？是超声温度过高？超声功率？外源蛋白酶污染？……最后用EDTA解决了。在破菌缓冲液中加0.5mM的EDTA就不会降解了。推测原因
一刀切。而且，破菌缓冲液还与是否可溶表达相关。对于可溶表达的重组蛋白，一般就选用第一步层析纯化的平衡缓冲液为破菌缓冲液。对于不可溶表达的重组蛋白，最简单的就是选用PBS为破菌缓冲液。 在选用破菌缓冲液时，有个小小的trick，加EDTA。有个别重组蛋白很脆弱，在超声破菌时就有大量的降解。注意，不是表达降解，而是超声过程中降解。特别是用pET32表达的his-tag融合蛋白容易降解，我运气好，遇到过2次这种超声降解。第一次碰到时，害得我好苦。反复找原因，是诱导表达温度？是超声温度
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