人CNTF蛋白 (His标签) 产品信息
别称:
HCNTF, CNTF
蛋白构建:
A DNA sequence encoding the human CNTF (NP_000605.1) (Ala 2-Met 200) was expressed, with a polyhistide tag at the N-terminus.
种属:
Human
表达宿主:
E. coli
产品状态&运输说明:
In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
人CNTF蛋白 (His标签) 质控检测
纯度:
> 90 % as determined by SDS-PAGE.
生物活性:
1. Measured by its binding ability in a functional ELISA. Immobilized human His-CNTF (cat:11841-H07E) at 10 μg/ml (100 μl/well) can bind biotinylated rat CNTFR-His (Cat:80019-R08B). The EC50 of biotinylated rat CNTFR-His (Cat:80019-R08B) is 60-140 ng/ml.
2. Measured in a cell proliferation assay using TF-1 human erythroleukemic cells. The ED50 for this effect is typically 1-4 μg/mL.
内毒素:
Please contact us for more information.
稳定性:
Samples are stable for up to twelve months from date of receipt at -70℃
预测N端:
Met
分子量:
The recombinant human CNTF consisting of 214 amino acids and has a calculated molecular mass of 24.5 kDa. The apparent molecular mass of the protein is approximately 27-30 kDa in SDS-PAGE under reducing conditions.
人CNTF蛋白 (His标签) 缓冲液:
Lyophilized from sterile PBS, pH 7.4.
1. Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
使用指导
储存方法:
Store it under sterile conditions at -70℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
人CNTF蛋白 (His标签) 复溶条件:
A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
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