产品详情
GDNF Protein, Human, Recombinant: 产品信息
纯度
> 97 % as determined by SDS-PAGE
内毒素
< 1.0 EU per μg of the protein as determined by the LAL method
生物活性
1. Measured in a cell proliferation assay using SH?SY5Y human neuroblastoma cells. The ED50 for this effect is typically 3-20 ng/mL in the presence of Recombinant Human GFR alpha?1/GDNF R alpha?1 His Chimera.
2. Measured by its ability to bind biotinylated Human GFRa1-His in functional ELISA.
蛋白构建
A DNA sequence encoding the mature form of human GDNF (P39905-2) (Arg 83-Ile 185) was expressed and purified, with additional two aa (Gly& Pro) at the N-terminus.
分子量
The recombinant human GDNF consists of 105 amino acids and predicts a molecular mass of 15.1 KDa. It migrates as approximately 18 KDa band in SDS-PAGE under reducing conditions.
缓冲液
Lyophilized from sterile PBS, pH 7.4
Please contact us for any concerns or special requirements.
Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization.
Please refer to the specific buffer information in the hard copy of CoA.
运输方式
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.
稳定性 & 储存条件
Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃
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.
复溶
A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
仅用于科研，不能用于临床诊断！所有产品仅供科研使用，不得用于人或动物的治疗等任何其他用途，不为任何个人提供产品和服务。
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