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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
在-20℃ to -80℃
- 保质期:
12个月
- 英文名:
Recombinant Cynomolgus / Rhesus c-MET / HGFR Protein (Fc Tag)
- 库存:
99
- 供应商:
北京义翘神州科技股份有限公司
- 规格:
100 µg/1 mg
| 规格: | 100 µg | 产品价格: | ¥3220.0 |
|---|---|---|---|
| 规格: | 1 mg | 产品价格: | ¥21030.0 |
蛋白名称:Cynomolgus / Rhesus c-MET / HGFR Protein (Fc Tag)
蛋白构建:A DNA sequence encoding the cynomolgus / rhesus MET (NP_001162100.1) (Met1-Thr932) was expressed with the Fc region of human IgG1 at the C-terminus. Cynomolgus and Rhesus MET sequences are identical.
表达宿主:HEK293 Cells
蛋白纯度:> 95 % as determined by SDS-PAGE
蛋白活性:Immobilized Cynomolgus HGF (Cat:90286-CNAH) at 10 μg/ml (100 μl/well) can bind Cynomolgus MET-Fc, EC50 of Cynomolgus MET-Fc is 0.04-0.09 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 25
蛋白分子量:The recombinant cynomolgus / rhesus MET comprises 1146 amino acids and has a calculated molecular mass of 128.3 KDa. The apparent molecular mass of it is approximately 100.2 and 42.5 KDa in SDS-PAGE under reducing conditions.
蛋白NP号:NP_001162100.1
蛋白氨基酸序列:Met1-Thr932
蛋白标签:C-human IgG1-Fc
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in recombinant Escherichia coli, Biochem. J. 358 (2001) 263-268. 35. G. Lemercier, N. Bakalara, X. Santarelli, On-column refolding of an insoluble histidine tag recombinant exopolyphosphatase from Trypanosoma brucei overexpressed in Escherichia coli, J
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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