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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 Cytosolic Ovarian Carcinoma Antigen 1 (COVA1)
- 库存:
1000
- 供应商:
上海信裕
| Organism species | Homo sapiens (Human) |
| Product No. | |
| Source | Prokaryotic expression |
| Host | E.coli |
| Purity | > 90% |
| UOM | 50ug |
| Predicted Molecular Mass | 26.5kDa |
| Concentration | n/a |
| Applications | SDS-PAGE; WB; ELISA; IP. |
| Endotoxin Level | <1.0EU per 1µg (determined by the LAL method) |
| Residues | Met1~Ala207 with two N-terminal Tags, His-tag and T7-tag |
| Formulation | Supplied as lyophilized form in 20mM Tris, 150mM NaCl, pH8.0, containing 1mM EDTA, 1mM DTT, 0.01% sarcosyl, 5% trehalose, and preservative. |
MQRDFRWLWV YEIGYAADNS RTLNVDSTAM TLPMSDPTAW ATAMNNLGMA PLGIAGQPIL PDFDPALGMM TGIPPITPMM PGLGIVPPPI PPDMPVVKEI IHCKSCTLFP PNPNLPPPAT RERPPGCKTV FVGGLPENGT EQIIVEVFEQ CGEIIAIRKS KKNFCHIRFA EEYMVDKALY LSGYRIRLGS STDKKDTGRL HVDFAQA
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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文献和实验为非溶性蛋白,也可被单克隆抗体柱层析,重新还原的产物可以被抗Derpl血清识别,其结合率优于pGEX克隆产物。为了减少繁琐,表达更好的重组蛋白,有人尝试以Der p1的原酶和酶原放人同一酵母载体表达,效果良好。 3.哺乳动物表达 构建一个扩大的载体PEE6.HCMV.GS,从中国仓鼠卵巢细胞(CHO)表达Derpl和Derp2。人巨细胞病毒(CMV)启动子(ACMD)和谷胱甘肽合成酶基因,通过放大质粒拷贝数增加细胞内酶高效表达,以控制抗代谢产物硫代
㈠无血清培养基和试剂被广泛的应用于培养哺乳动物和无脊动物细胞以制备单克隆抗体,病毒抗原和重组蛋白等。大多数的无血清产品含有向细胞内转运离子的转铁蛋白和调节葡萄糖摄取量的胰岛素,以及一些蛋白质如清蛋白,纤连蛋白,胎球蛋白等,这些蛋白在细胞培养中发挥各种不同功能,如吸附毒性化合物,抗生物反应器剪切力,提供细胞贴壁所需的基质,作为脂类和其他生长因子的载体等。 ㈡它的优点: 更高的成分限定性 各批产品之间更高的产品质量一致性 简化提纯和下游生产过程 便于控制培养的生理环境
鼠淋巴细胞的第二信号系统的研究。 ⑸UltraCHOTM培养基 UltraCHOTM培养基最适于培养转染和未转染的中国仓鼠卵巢细胞(CHO)细胞,表达重姐蛋白质。UltraCHOTM培养基以一种改良的DMEM培养基(F-12)为基础,在此基础上添加胰岛素,转铁蛋白以及专利性的纯化蛋白等成分而成。有UltraCHO液体培养基(1X)和干粉培养基(含冷冻添加剂)两种类型的产品可供选择,培养基蛋白含量低于300ug/ml. 应用:培养CHO细胞; 重组蛋白的合成
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