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- 详细信息
- 文献和实验
- 技术资料
- 保存条件：
-20℃
- 保质期：
12个月
- 英文名：
Recombinant WNK Lysine Deficient Protein Kinase 1 (WNK1)
- 库存：
1000
- 供应商：
上海信裕
| Organism species | Homo sapiens (Human) |
| Product No. | |
| Source | Prokaryotic expression |
| Host | E.coli |
| Purity | > 95% |
| UOM | 50ug |
| Predicted Molecular Mass | 33.4kDa |
| Concentration | 8.7 |
| Applications | SDS-PAGE; WB; ELISA; IP. |
| Endotoxin Level | <1.0EU per 1µg (determined by the LAL method) |
| Residues | Lys1954~Ala2231 (Accession # Q9H4A3) with two N-terminal Tags, His-tag and T7-tag |
| Formulation | Supplied as lyophilized form in PBS, pH7.4, containing 5% trehalose, 0.01% sarcosyl. |
MGSSHHHHHH SSGLVPRGSH MASMTGGQQM GRGSEF- KVGRFSV SKTEDKITDT KKEGPVASPP FMDLEQAVLP AVIPKKEKPE LSEPSHLNGP SSDPEAAFLS RDVDDGSGSP HSPHQLSSKS LPSQNLSQSL SNSFNSSYMS SDNESDIEDE DLKLELRRLR DKHLKEIQDL QSRQKHEIES LYTKLGKVPP AVIIPPAAPL SGRRRRPTKS KGSKSSRSSS LGNKSPQLSG NLSGQSAASV LHPQQTLHPP GNIPESGQNQ LLQPLKPSPS SDNLYSAFTS DGAISVPSLS APGQGTSSTN TVGATVNSQA A
Stability Test: The thermal stability is described by the loss rate of the target protein. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37oC for 48h, and no obvious degradation and precipitation were observed. (Referring from China Biological Products Standard, which was calculated by the Arrhenius equation.) The loss of this protein is less than 5% within the expiration date under appropriate storage condition.
Protein bands: 10kDa, 14kDa, 18kDa, 22kDa, 26kDa, 33kDa, 44kDa and 70kDa.
Double intensity bands: The 26kDa, 18kDa, 10kDa bands are at double intensity to make location and size approximation of proteins of interest quick and easy.
Ready-to-use: No need to heat, dilute or add reducing agents before use.
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文献和实验both of which are localized to the C-terminal portion of the protein that also accounts for its more than twice the size of the other MAPKs. Adapters such as Sh2d2a (known as Lad or Ribp), upstream kinases such as Wnk1 or activators including members of the Ras family
、Glu、Ser和Thr的区域，且在该区域附近有某些特定的氨基酸，则该蛋白就会不稳定。这些PEST结构域的磷酸化导致钙的结合能力提高，从而利于钙依赖性蛋白酶对蛋白质的降解。这提示可以在缺乏PEST蛋白裂解系统的E.coli中表达PEST富含蛋白。 减少E.coli中重组蛋白裂解的策略有以下几种：（1）将蛋白质靶向细胞周质或培养基[145，186]；（2）在较低的温度下培养细菌[187]；（3）选用蛋白酶缺陷的菌株[188]；（4）构建N-末端或C-末端融合蛋白[186]；（5）将目的基因多拷贝串联
和Fc段分离。同时蛋白A琼脂糖凝胶FF也可用于血清中IgG的分离，得到不含抗体的血清，蛋白A琼脂糖凝胶FF有很好的稳定性，能耐受37度3-5天而对柱子的性能没有影响，是分离抗体的最佳选择。 疏水色谱色谱填料苯基琼脂糖凝胶FF以及DEAE琼脂糖凝胶FF也场用于抗体的分离，只是特异性不如重组蛋白A琼脂糖凝胶FF好。 纯化IgG抗原最有效的办法是免疫亲和，具体的方法是把抗抗原的IgG直接偶联到环氧活化琼脂糖凝胶FF上，然后直接高pH吸附，低pH洗脱就可以得到需要的抗原。 对于高亲和力的抗体
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